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Finding the Fourth Proportional to 61,990.96, 85,545.72 and 33,695.92

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Solution

The fourth proportional to 61,990.96, 85,545.72 and 33,695.92 is: 46,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,990.96 : 85,545.72 = 33,695.92 : x
  2. Step 2: Convert to fraction form
    61,990.96/85,545.72 = 33,695.92/x
  3. Step 3: Cross multiply
    61,990.96x = 85,545.72 × 33,695.92
  4. Step 4: Simplify right side
    61,990.96x = 2,882,541,737.46
  5. Step 5: Solve for x
    x = 2,882,541,737.46/61,990.96
  6. Step 6: Final answer
    x = 46,499.39

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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.