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Finding the Fourth Proportional to 61,545.69, 84,923.64 and 34,687.71

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Solution

The fourth proportional to 61,545.69, 84,923.64 and 34,687.71 is: 47,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,545.69 : 84,923.64 = 34,687.71 : x
  2. Step 2: Convert to fraction form
    61,545.69/84,923.64 = 34,687.71/x
  3. Step 3: Cross multiply
    61,545.69x = 84,923.64 × 34,687.71
  4. Step 4: Simplify right side
    61,545.69x = 2,945,806,596.46
  5. Step 5: Solve for x
    x = 2,945,806,596.46/61,545.69
  6. Step 6: Final answer
    x = 47,863.73

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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.