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Finding the Fourth Proportional to 41,044.61, 61,566.93 and 9,879.86

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Solution

The fourth proportional to 41,044.61, 61,566.93 and 9,879.86 is: 14,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,044.61 : 61,566.93 = 9,879.86 : x
  2. Step 2: Convert to fraction form
    41,044.61/61,566.93 = 9,879.86/x
  3. Step 3: Cross multiply
    41,044.61x = 61,566.93 × 9,879.86
  4. Step 4: Simplify right side
    41,044.61x = 608,272,649.03
  5. Step 5: Solve for x
    x = 608,272,649.03/41,044.61
  6. Step 6: Final answer
    x = 14,819.79

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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.