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Finding the Fourth Proportional to 61,839.68, 85,338.88 and 33,545.44

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Solution

The fourth proportional to 61,839.68, 85,338.88 and 33,545.44 is: 46,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,839.68 : 85,338.88 = 33,545.44 : x
  2. Step 2: Convert to fraction form
    61,839.68/85,338.88 = 33,545.44/x
  3. Step 3: Cross multiply
    61,839.68x = 85,338.88 × 33,545.44
  4. Step 4: Simplify right side
    61,839.68x = 2,862,730,278.71
  5. Step 5: Solve for x
    x = 2,862,730,278.71/61,839.68
  6. Step 6: Final answer
    x = 46,292.77

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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.