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Finding the Fourth Proportional to 45,741.60, 68,610.60 and 14,575.68

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Solution

The fourth proportional to 45,741.60, 68,610.60 and 14,575.68 is: 21,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,741.60 : 68,610.60 = 14,575.68 : x
  2. Step 2: Convert to fraction form
    45,741.60/68,610.60 = 14,575.68/x
  3. Step 3: Cross multiply
    45,741.60x = 68,610.60 × 14,575.68
  4. Step 4: Simplify right side
    45,741.60x = 1,000,046,150.21
  5. Step 5: Solve for x
    x = 1,000,046,150.21/45,741.60
  6. Step 6: Final answer
    x = 21,862.95

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Why These Related Problems?

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