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Finding the Fourth Proportional to 43,693.92, 65,562.48 and 15,627.60

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Solution

The fourth proportional to 43,693.92, 65,562.48 and 15,627.60 is: 23,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,693.92 : 65,562.48 = 15,627.60 : x
  2. Step 2: Convert to fraction form
    43,693.92/65,562.48 = 15,627.60/x
  3. Step 3: Cross multiply
    43,693.92x = 65,562.48 × 15,627.60
  4. Step 4: Simplify right side
    43,693.92x = 1,024,584,212.45
  5. Step 5: Solve for x
    x = 1,024,584,212.45/43,693.92
  6. Step 6: Final answer
    x = 23,449.13

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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.