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Finding the Fourth Proportional to 41,089.86, 61,634.88 and 9,925.11

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Solution

The fourth proportional to 41,089.86, 61,634.88 and 9,925.11 is: 14,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,089.86 : 61,634.88 = 9,925.11 : x
  2. Step 2: Convert to fraction form
    41,089.86/61,634.88 = 9,925.11/x
  3. Step 3: Cross multiply
    41,089.86x = 61,634.88 × 9,925.11
  4. Step 4: Simplify right side
    41,089.86x = 611,732,963.84
  5. Step 5: Solve for x
    x = 611,732,963.84/41,089.86
  6. Step 6: Final answer
    x = 14,887.69

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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.