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Finding the Fourth Proportional to 10,654.52, 14,711.06 and 6,879.89

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Solution

The fourth proportional to 10,654.52, 14,711.06 and 6,879.89 is: 9,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.52 : 14,711.06 = 6,879.89 : x
  2. Step 2: Convert to fraction form
    10,654.52/14,711.06 = 6,879.89/x
  3. Step 3: Cross multiply
    10,654.52x = 14,711.06 × 6,879.89
  4. Step 4: Simplify right side
    10,654.52x = 101,210,528.56
  5. Step 5: Solve for x
    x = 101,210,528.56/10,654.52
  6. Step 6: Final answer
    x = 9,499.31

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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.