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Finding the Fourth Proportional to 17,445.47, 24,078.21 and 9,891.95

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Solution

The fourth proportional to 17,445.47, 24,078.21 and 9,891.95 is: 13,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.47 : 24,078.21 = 9,891.95 : x
  2. Step 2: Convert to fraction form
    17,445.47/24,078.21 = 9,891.95/x
  3. Step 3: Cross multiply
    17,445.47x = 24,078.21 × 9,891.95
  4. Step 4: Simplify right side
    17,445.47x = 238,180,449.41
  5. Step 5: Solve for x
    x = 238,180,449.41/17,445.47
  6. Step 6: Final answer
    x = 13,652.85

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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.