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Finding the Fourth Proportional to 43,687.76, 60,289.16 and 23,815.76

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Solution

The fourth proportional to 43,687.76, 60,289.16 and 23,815.76 is: 32,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,687.76 : 60,289.16 = 23,815.76 : x
  2. Step 2: Convert to fraction form
    43,687.76/60,289.16 = 23,815.76/x
  3. Step 3: Cross multiply
    43,687.76x = 60,289.16 × 23,815.76
  4. Step 4: Simplify right side
    43,687.76x = 1,435,832,165.16
  5. Step 5: Solve for x
    x = 1,435,832,165.16/43,687.76
  6. Step 6: Final answer
    x = 32,865.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.