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Finding the Fourth Proportional to 12,727.59, 19,084.14 and 5,229.02

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Solution

The fourth proportional to 12,727.59, 19,084.14 and 5,229.02 is: 7,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.59 : 19,084.14 = 5,229.02 : x
  2. Step 2: Convert to fraction form
    12,727.59/19,084.14 = 5,229.02/x
  3. Step 3: Cross multiply
    12,727.59x = 19,084.14 × 5,229.02
  4. Step 4: Simplify right side
    12,727.59x = 99,791,254.32
  5. Step 5: Solve for x
    x = 99,791,254.32/12,727.59
  6. Step 6: Final answer
    x = 7,840.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.