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Finding the Fourth Proportional to 58,664.72, 88,013.64 and 16,545.20

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Solution

The fourth proportional to 58,664.72, 88,013.64 and 16,545.20 is: 24,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,664.72 : 88,013.64 = 16,545.20 : x
  2. Step 2: Convert to fraction form
    58,664.72/88,013.64 = 16,545.20/x
  3. Step 3: Cross multiply
    58,664.72x = 88,013.64 × 16,545.20
  4. Step 4: Simplify right side
    58,664.72x = 1,456,202,836.46
  5. Step 5: Solve for x
    x = 1,456,202,836.46/58,664.72
  6. Step 6: Final answer
    x = 24,822.47

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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.