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Finding the Fourth Proportional to 61,545.55, 84,923.51 and 34,687.59

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Solution

The fourth proportional to 61,545.55, 84,923.51 and 34,687.59 is: 47,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,545.55 : 84,923.51 = 34,687.59 : x
  2. Step 2: Convert to fraction form
    61,545.55/84,923.51 = 34,687.59/x
  3. Step 3: Cross multiply
    61,545.55x = 84,923.51 × 34,687.59
  4. Step 4: Simplify right side
    61,545.55x = 2,945,791,896.24
  5. Step 5: Solve for x
    x = 2,945,791,896.24/61,545.55
  6. Step 6: Final answer
    x = 47,863.61

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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.