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Finding the Fourth Proportional to 11,093.43, 15,306.71 and 7,061.88

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Solution

The fourth proportional to 11,093.43, 15,306.71 and 7,061.88 is: 9,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.43 : 15,306.71 = 7,061.88 : x
  2. Step 2: Convert to fraction form
    11,093.43/15,306.71 = 7,061.88/x
  3. Step 3: Cross multiply
    11,093.43x = 15,306.71 × 7,061.88
  4. Step 4: Simplify right side
    11,093.43x = 108,094,113.91
  5. Step 5: Solve for x
    x = 108,094,113.91/11,093.43
  6. Step 6: Final answer
    x = 9,743.98

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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.