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Finding the Fourth Proportional to 15,106.76, 22,672.28 and 7,713.17

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Solution

The fourth proportional to 15,106.76, 22,672.28 and 7,713.17 is: 11,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.76 : 22,672.28 = 7,713.17 : x
  2. Step 2: Convert to fraction form
    15,106.76/22,672.28 = 7,713.17/x
  3. Step 3: Cross multiply
    15,106.76x = 22,672.28 × 7,713.17
  4. Step 4: Simplify right side
    15,106.76x = 174,874,998.00
  5. Step 5: Solve for x
    x = 174,874,998.00/15,106.76
  6. Step 6: Final answer
    x = 11,575.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.