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Finding the Fourth Proportional to 13,008.74, 17,952.04 and 7,344.68

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Solution

The fourth proportional to 13,008.74, 17,952.04 and 7,344.68 is: 10,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.74 : 17,952.04 = 7,344.68 : x
  2. Step 2: Convert to fraction form
    13,008.74/17,952.04 = 7,344.68/x
  3. Step 3: Cross multiply
    13,008.74x = 17,952.04 × 7,344.68
  4. Step 4: Simplify right side
    13,008.74x = 131,851,989.15
  5. Step 5: Solve for x
    x = 131,851,989.15/13,008.74
  6. Step 6: Final answer
    x = 10,135.65

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