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Finding the Fourth Proportional to 58,661.84, 87,984.95 and 16,545.30

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Solution

The fourth proportional to 58,661.84, 87,984.95 and 16,545.30 is: 24,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,661.84 : 87,984.95 = 16,545.30 : x
  2. Step 2: Convert to fraction form
    58,661.84/87,984.95 = 16,545.30/x
  3. Step 3: Cross multiply
    58,661.84x = 87,984.95 × 16,545.30
  4. Step 4: Simplify right side
    58,661.84x = 1,455,737,503.22
  5. Step 5: Solve for x
    x = 1,455,737,503.22/58,661.84
  6. Step 6: Final answer
    x = 24,815.75

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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.