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Finding the Fourth Proportional to 57,516.92, 86,275.92 and 18,073.16

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Solution

The fourth proportional to 57,516.92, 86,275.92 and 18,073.16 is: 27,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,516.92 : 86,275.92 = 18,073.16 : x
  2. Step 2: Convert to fraction form
    57,516.92/86,275.92 = 18,073.16/x
  3. Step 3: Cross multiply
    57,516.92x = 86,275.92 × 18,073.16
  4. Step 4: Simplify right side
    57,516.92x = 1,559,278,506.31
  5. Step 5: Solve for x
    x = 1,559,278,506.31/57,516.92
  6. Step 6: Final answer
    x = 27,109.91

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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.