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Finding the Fourth Proportional to 17,562.49, 26,380.49 and 14,929.58

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Solution

The fourth proportional to 17,562.49, 26,380.49 and 14,929.58 is: 22,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,562.49 : 26,380.49 = 14,929.58 : x
  2. Step 2: Convert to fraction form
    17,562.49/26,380.49 = 14,929.58/x
  3. Step 3: Cross multiply
    17,562.49x = 26,380.49 × 14,929.58
  4. Step 4: Simplify right side
    17,562.49x = 393,849,627.20
  5. Step 5: Solve for x
    x = 393,849,627.20/17,562.49
  6. Step 6: Final answer
    x = 22,425.62

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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.