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Finding the Fourth Proportional to 56,737.92, 85,078.40 and 33,053.12

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Solution

The fourth proportional to 56,737.92, 85,078.40 and 33,053.12 is: 49,563.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.92 : 85,078.40 = 33,053.12 : x
  2. Step 2: Convert to fraction form
    56,737.92/85,078.40 = 33,053.12/x
  3. Step 3: Cross multiply
    56,737.92x = 85,078.40 × 33,053.12
  4. Step 4: Simplify right side
    56,737.92x = 2,812,106,564.61
  5. Step 5: Solve for x
    x = 2,812,106,564.61/56,737.92
  6. Step 6: Final answer
    x = 49,563.09

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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.