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Finding the Fourth Proportional to 76,923.60, 115,401.60 and 24,338.40

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Solution

The fourth proportional to 76,923.60, 115,401.60 and 24,338.40 is: 36,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,923.60 : 115,401.60 = 24,338.40 : x
  2. Step 2: Convert to fraction form
    76,923.60/115,401.60 = 24,338.40/x
  3. Step 3: Cross multiply
    76,923.60x = 115,401.60 × 24,338.40
  4. Step 4: Simplify right side
    76,923.60x = 2,808,690,301.44
  5. Step 5: Solve for x
    x = 2,808,690,301.44/76,923.60
  6. Step 6: Final answer
    x = 36,512.73

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1.5x scale

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.