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Finding the Fourth Proportional to 50,510.76, 69,705.33 and 27,850.65

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Solution

The fourth proportional to 50,510.76, 69,705.33 and 27,850.65 is: 38,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,510.76 : 69,705.33 = 27,850.65 : x
  2. Step 2: Convert to fraction form
    50,510.76/69,705.33 = 27,850.65/x
  3. Step 3: Cross multiply
    50,510.76x = 69,705.33 × 27,850.65
  4. Step 4: Simplify right side
    50,510.76x = 1,941,338,748.96
  5. Step 5: Solve for x
    x = 1,941,338,748.96/50,510.76
  6. Step 6: Final answer
    x = 38,434.16

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Half scale
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Double scale
Find fourth proportional to 50,511.76, 69,706.71 and 27,851.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.