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Finding the Fourth Proportional to 8,871.24, 12,242.07 and 4,892.28

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Solution

The fourth proportional to 8,871.24, 12,242.07 and 4,892.28 is: 6,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.24 : 12,242.07 = 4,892.28 : x
  2. Step 2: Convert to fraction form
    8,871.24/12,242.07 = 4,892.28/x
  3. Step 3: Cross multiply
    8,871.24x = 12,242.07 × 4,892.28
  4. Step 4: Simplify right side
    8,871.24x = 59,891,634.22
  5. Step 5: Solve for x
    x = 59,891,634.22/8,871.24
  6. Step 6: Final answer
    x = 6,751.21

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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.