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Finding the Fourth Proportional to 15,242.35, 22,863.53 and 6,471.12

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Solution

The fourth proportional to 15,242.35, 22,863.53 and 6,471.12 is: 9,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.35 : 22,863.53 = 6,471.12 : x
  2. Step 2: Convert to fraction form
    15,242.35/22,863.53 = 6,471.12/x
  3. Step 3: Cross multiply
    15,242.35x = 22,863.53 × 6,471.12
  4. Step 4: Simplify right side
    15,242.35x = 147,952,646.25
  5. Step 5: Solve for x
    x = 147,952,646.25/15,242.35
  6. Step 6: Final answer
    x = 9,706.68

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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.