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Finding the Fourth Proportional to 12,753.29, 17,594.51 and 7,374.75

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Solution

The fourth proportional to 12,753.29, 17,594.51 and 7,374.75 is: 10,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.29 : 17,594.51 = 7,374.75 : x
  2. Step 2: Convert to fraction form
    12,753.29/17,594.51 = 7,374.75/x
  3. Step 3: Cross multiply
    12,753.29x = 17,594.51 × 7,374.75
  4. Step 4: Simplify right side
    12,753.29x = 129,755,112.62
  5. Step 5: Solve for x
    x = 129,755,112.62/12,753.29
  6. Step 6: Final answer
    x = 10,174.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.