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Finding the Fourth Proportional to 58,578.65, 87,865.95 and 16,458.65

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Solution

The fourth proportional to 58,578.65, 87,865.95 and 16,458.65 is: 24,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,578.65 : 87,865.95 = 16,458.65 : x
  2. Step 2: Convert to fraction form
    58,578.65/87,865.95 = 16,458.65/x
  3. Step 3: Cross multiply
    58,578.65x = 87,865.95 × 16,458.65
  4. Step 4: Simplify right side
    58,578.65x = 1,446,154,917.97
  5. Step 5: Solve for x
    x = 1,446,154,917.97/58,578.65
  6. Step 6: Final answer
    x = 24,687.41

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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.