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Finding the Fourth Proportional to 36,471.47, 54,713.05 and 15,411.71

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Solution

The fourth proportional to 36,471.47, 54,713.05 and 15,411.71 is: 23,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,471.47 : 54,713.05 = 15,411.71 : x
  2. Step 2: Convert to fraction form
    36,471.47/54,713.05 = 15,411.71/x
  3. Step 3: Cross multiply
    36,471.47x = 54,713.05 × 15,411.71
  4. Step 4: Simplify right side
    36,471.47x = 843,221,758.07
  5. Step 5: Solve for x
    x = 843,221,758.07/36,471.47
  6. Step 6: Final answer
    x = 23,120.04

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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.