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Finding the Fourth Proportional to 17,374.59, 26,061.90 and 4,226.96

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Solution

The fourth proportional to 17,374.59, 26,061.90 and 4,226.96 is: 6,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.59 : 26,061.90 = 4,226.96 : x
  2. Step 2: Convert to fraction form
    17,374.59/26,061.90 = 4,226.96/x
  3. Step 3: Cross multiply
    17,374.59x = 26,061.90 × 4,226.96
  4. Step 4: Simplify right side
    17,374.59x = 110,162,608.61
  5. Step 5: Solve for x
    x = 110,162,608.61/17,374.59
  6. Step 6: Final answer
    x = 6,340.44

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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.