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Finding the Fourth Proportional to 22,411.96, 30,929.24 and 12,341.44

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Solution

The fourth proportional to 22,411.96, 30,929.24 and 12,341.44 is: 17,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,411.96 : 30,929.24 = 12,341.44 : x
  2. Step 2: Convert to fraction form
    22,411.96/30,929.24 = 12,341.44/x
  3. Step 3: Cross multiply
    22,411.96x = 30,929.24 × 12,341.44
  4. Step 4: Simplify right side
    22,411.96x = 381,711,359.71
  5. Step 5: Solve for x
    x = 381,711,359.71/22,411.96
  6. Step 6: Final answer
    x = 17,031.59

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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.