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Finding the Fourth Proportional to 58,661.59, 87,984.57 and 16,545.05

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Solution

The fourth proportional to 58,661.59, 87,984.57 and 16,545.05 is: 24,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,661.59 : 87,984.57 = 16,545.05 : x
  2. Step 2: Convert to fraction form
    58,661.59/87,984.57 = 16,545.05/x
  3. Step 3: Cross multiply
    58,661.59x = 87,984.57 × 16,545.05
  4. Step 4: Simplify right side
    58,661.59x = 1,455,709,391.88
  5. Step 5: Solve for x
    x = 1,455,709,391.88/58,661.59
  6. Step 6: Final answer
    x = 24,815.38

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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.