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Finding the Fourth Proportional to 10,151.86, 14,010.85 and 5,675.87

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Solution

The fourth proportional to 10,151.86, 14,010.85 and 5,675.87 is: 7,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.86 : 14,010.85 = 5,675.87 : x
  2. Step 2: Convert to fraction form
    10,151.86/14,010.85 = 5,675.87/x
  3. Step 3: Cross multiply
    10,151.86x = 14,010.85 × 5,675.87
  4. Step 4: Simplify right side
    10,151.86x = 79,523,789.35
  5. Step 5: Solve for x
    x = 79,523,789.35/10,151.86
  6. Step 6: Final answer
    x = 7,833.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.