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Finding the Fourth Proportional to 56,799.84, 85,105.57 and 34,545.90

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Solution

The fourth proportional to 56,799.84, 85,105.57 and 34,545.90 is: 51,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,799.84 : 85,105.57 = 34,545.90 : x
  2. Step 2: Convert to fraction form
    56,799.84/85,105.57 = 34,545.90/x
  3. Step 3: Cross multiply
    56,799.84x = 85,105.57 × 34,545.90
  4. Step 4: Simplify right side
    56,799.84x = 2,940,048,510.66
  5. Step 5: Solve for x
    x = 2,940,048,510.66/56,799.84
  6. Step 6: Final answer
    x = 51,761.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.