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Finding the Fourth Proportional to 12,716.53, 17,549.03 and 7,051.52

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Solution

The fourth proportional to 12,716.53, 17,549.03 and 7,051.52 is: 9,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.53 : 17,549.03 = 7,051.52 : x
  2. Step 2: Convert to fraction form
    12,716.53/17,549.03 = 7,051.52/x
  3. Step 3: Cross multiply
    12,716.53x = 17,549.03 × 7,051.52
  4. Step 4: Simplify right side
    12,716.53x = 123,747,278.83
  5. Step 5: Solve for x
    x = 123,747,278.83/12,716.53
  6. Step 6: Final answer
    x = 9,731.21

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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.