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Finding the Fourth Proportional to 58,521.92, 87,787.94 and 16,402.73

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Solution

The fourth proportional to 58,521.92, 87,787.94 and 16,402.73 is: 24,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,521.92 : 87,787.94 = 16,402.73 : x
  2. Step 2: Convert to fraction form
    58,521.92/87,787.94 = 16,402.73/x
  3. Step 3: Cross multiply
    58,521.92x = 87,787.94 × 16,402.73
  4. Step 4: Simplify right side
    58,521.92x = 1,439,961,356.12
  5. Step 5: Solve for x
    x = 1,439,961,356.12/58,521.92
  6. Step 6: Final answer
    x = 24,605.51

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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.