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Finding the Fourth Proportional to 17,752.38, 26,642.34 and 6,669.15

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Solution

The fourth proportional to 17,752.38, 26,642.34 and 6,669.15 is: 10,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,752.38 : 26,642.34 = 6,669.15 : x
  2. Step 2: Convert to fraction form
    17,752.38/26,642.34 = 6,669.15/x
  3. Step 3: Cross multiply
    17,752.38x = 26,642.34 × 6,669.15
  4. Step 4: Simplify right side
    17,752.38x = 177,681,761.81
  5. Step 5: Solve for x
    x = 177,681,761.81/17,752.38
  6. Step 6: Final answer
    x = 10,008.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.