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Finding the Fourth Proportional to 13,498.44, 20,253.81 and 6,929.24

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Solution

The fourth proportional to 13,498.44, 20,253.81 and 6,929.24 is: 10,397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.44 : 20,253.81 = 6,929.24 : x
  2. Step 2: Convert to fraction form
    13,498.44/20,253.81 = 6,929.24/x
  3. Step 3: Cross multiply
    13,498.44x = 20,253.81 × 6,929.24
  4. Step 4: Simplify right side
    13,498.44x = 140,343,472.09
  5. Step 5: Solve for x
    x = 140,343,472.09/13,498.44
  6. Step 6: Final answer
    x = 10,397.02

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Why These Related Problems?

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