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Finding the Fourth Proportional to 27,149.85, 37,468.29 and 15,217.02

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Solution

The fourth proportional to 27,149.85, 37,468.29 and 15,217.02 is: 21,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,149.85 : 37,468.29 = 15,217.02 : x
  2. Step 2: Convert to fraction form
    27,149.85/37,468.29 = 15,217.02/x
  3. Step 3: Cross multiply
    27,149.85x = 37,468.29 × 15,217.02
  4. Step 4: Simplify right side
    27,149.85x = 570,155,718.30
  5. Step 5: Solve for x
    x = 570,155,718.30/27,149.85
  6. Step 6: Final answer
    x = 21,000.33

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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.