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Finding the Fourth Proportional to 8,881.74, 12,254.58 and 5,294.43

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Solution

The fourth proportional to 8,881.74, 12,254.58 and 5,294.43 is: 7,304.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.74 : 12,254.58 = 5,294.43 : x
  2. Step 2: Convert to fraction form
    8,881.74/12,254.58 = 5,294.43/x
  3. Step 3: Cross multiply
    8,881.74x = 12,254.58 × 5,294.43
  4. Step 4: Simplify right side
    8,881.74x = 64,881,015.99
  5. Step 5: Solve for x
    x = 64,881,015.99/8,881.74
  6. Step 6: Final answer
    x = 7,304.99

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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.