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Finding the Fourth Proportional to 66,687.39, 92,062.02 and 51,545.83

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Solution

The fourth proportional to 66,687.39, 92,062.02 and 51,545.83 is: 71,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,687.39 : 92,062.02 = 51,545.83 : x
  2. Step 2: Convert to fraction form
    66,687.39/92,062.02 = 51,545.83/x
  3. Step 3: Cross multiply
    66,687.39x = 92,062.02 × 51,545.83
  4. Step 4: Simplify right side
    66,687.39x = 4,745,413,232.38
  5. Step 5: Solve for x
    x = 4,745,413,232.38/66,687.39
  6. Step 6: Final answer
    x = 71,159.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.