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Finding the Fourth Proportional to 10,932.69, 15,086.79 and 6,152.91

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Solution

The fourth proportional to 10,932.69, 15,086.79 and 6,152.91 is: 8,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.69 : 15,086.79 = 6,152.91 : x
  2. Step 2: Convert to fraction form
    10,932.69/15,086.79 = 6,152.91/x
  3. Step 3: Cross multiply
    10,932.69x = 15,086.79 × 6,152.91
  4. Step 4: Simplify right side
    10,932.69x = 92,827,661.06
  5. Step 5: Solve for x
    x = 92,827,661.06/10,932.69
  6. Step 6: Final answer
    x = 8,490.83

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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.