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Finding the Fourth Proportional to 36,510.65, 50,384.75 and 19,743.65

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Solution

The fourth proportional to 36,510.65, 50,384.75 and 19,743.65 is: 27,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,510.65 : 50,384.75 = 19,743.65 : x
  2. Step 2: Convert to fraction form
    36,510.65/50,384.75 = 19,743.65/x
  3. Step 3: Cross multiply
    36,510.65x = 50,384.75 × 19,743.65
  4. Step 4: Simplify right side
    36,510.65x = 994,778,869.34
  5. Step 5: Solve for x
    x = 994,778,869.34/36,510.65
  6. Step 6: Final answer
    x = 27,246.27

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Find fourth proportional to 36,511.65, 50,386.13 and 19,744.65
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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.