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Finding the Fourth Proportional to 57,607.45, 86,411.18 and 18,167.65

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Solution

The fourth proportional to 57,607.45, 86,411.18 and 18,167.65 is: 27,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,607.45 : 86,411.18 = 18,167.65 : x
  2. Step 2: Convert to fraction form
    57,607.45/86,411.18 = 18,167.65/x
  3. Step 3: Cross multiply
    57,607.45x = 86,411.18 × 18,167.65
  4. Step 4: Simplify right side
    57,607.45x = 1,569,887,903.72
  5. Step 5: Solve for x
    x = 1,569,887,903.72/57,607.45
  6. Step 6: Final answer
    x = 27,251.47

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Similar ratio
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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.