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Finding the Fourth Proportional to 59,787.87, 89,737.08 and 30,226.31

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Solution

The fourth proportional to 59,787.87, 89,737.08 and 30,226.31 is: 45,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,787.87 : 89,737.08 = 30,226.31 : x
  2. Step 2: Convert to fraction form
    59,787.87/89,737.08 = 30,226.31/x
  3. Step 3: Cross multiply
    59,787.87x = 89,737.08 × 30,226.31
  4. Step 4: Simplify right side
    59,787.87x = 2,712,420,798.57
  5. Step 5: Solve for x
    x = 2,712,420,798.57/59,787.87
  6. Step 6: Final answer
    x = 45,367.41

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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.