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Finding the Fourth Proportional to 17,374.78, 26,069.46 and 7,508.98

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Solution

The fourth proportional to 17,374.78, 26,069.46 and 7,508.98 is: 11,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.78 : 26,069.46 = 7,508.98 : x
  2. Step 2: Convert to fraction form
    17,374.78/26,069.46 = 7,508.98/x
  3. Step 3: Cross multiply
    17,374.78x = 26,069.46 × 7,508.98
  4. Step 4: Simplify right side
    17,374.78x = 195,755,053.75
  5. Step 5: Solve for x
    x = 195,755,053.75/17,374.78
  6. Step 6: Final answer
    x = 11,266.62

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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.