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Finding the Fourth Proportional to 57,334.80, 86,002.20 and 26,230.80

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Solution

The fourth proportional to 57,334.80, 86,002.20 and 26,230.80 is: 39,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,334.80 : 86,002.20 = 26,230.80 : x
  2. Step 2: Convert to fraction form
    57,334.80/86,002.20 = 26,230.80/x
  3. Step 3: Cross multiply
    57,334.80x = 86,002.20 × 26,230.80
  4. Step 4: Simplify right side
    57,334.80x = 2,255,906,507.76
  5. Step 5: Solve for x
    x = 2,255,906,507.76/57,334.80
  6. Step 6: Final answer
    x = 39,346.20

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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.