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Finding the Fourth Proportional to 15,129.26, 22,693.89 and 6,807.72

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Solution

The fourth proportional to 15,129.26, 22,693.89 and 6,807.72 is: 10,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.26 : 22,693.89 = 6,807.72 : x
  2. Step 2: Convert to fraction form
    15,129.26/22,693.89 = 6,807.72/x
  3. Step 3: Cross multiply
    15,129.26x = 22,693.89 × 6,807.72
  4. Step 4: Simplify right side
    15,129.26x = 154,493,721.17
  5. Step 5: Solve for x
    x = 154,493,721.17/15,129.26
  6. Step 6: Final answer
    x = 10,211.59

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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.