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Finding the Fourth Proportional to 29,642.64, 44,449.38 and 12,107.76

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Solution

The fourth proportional to 29,642.64, 44,449.38 and 12,107.76 is: 18,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.64 : 44,449.38 = 12,107.76 : x
  2. Step 2: Convert to fraction form
    29,642.64/44,449.38 = 12,107.76/x
  3. Step 3: Cross multiply
    29,642.64x = 44,449.38 × 12,107.76
  4. Step 4: Simplify right side
    29,642.64x = 538,182,425.19
  5. Step 5: Solve for x
    x = 538,182,425.19/29,642.64
  6. Step 6: Final answer
    x = 18,155.68

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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.