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Finding the Fourth Proportional to 6,122.76, 9,184.14 and 1,505.76

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Solution

The fourth proportional to 6,122.76, 9,184.14 and 1,505.76 is: 2,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.76 : 9,184.14 = 1,505.76 : x
  2. Step 2: Convert to fraction form
    6,122.76/9,184.14 = 1,505.76/x
  3. Step 3: Cross multiply
    6,122.76x = 9,184.14 × 1,505.76
  4. Step 4: Simplify right side
    6,122.76x = 13,829,110.65
  5. Step 5: Solve for x
    x = 13,829,110.65/6,122.76
  6. Step 6: Final answer
    x = 2,258.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.