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Finding the Fourth Proportional to 12,549.77, 17,318.17 and 7,511.03

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Solution

The fourth proportional to 12,549.77, 17,318.17 and 7,511.03 is: 10,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.77 : 17,318.17 = 7,511.03 : x
  2. Step 2: Convert to fraction form
    12,549.77/17,318.17 = 7,511.03/x
  3. Step 3: Cross multiply
    12,549.77x = 17,318.17 × 7,511.03
  4. Step 4: Simplify right side
    12,549.77x = 130,077,282.16
  5. Step 5: Solve for x
    x = 130,077,282.16/12,549.77
  6. Step 6: Final answer
    x = 10,364.91

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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.