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Finding the Fourth Proportional to 64,027.70, 96,041.55 and 40,757.30

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Solution

The fourth proportional to 64,027.70, 96,041.55 and 40,757.30 is: 61,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,027.70 : 96,041.55 = 40,757.30 : x
  2. Step 2: Convert to fraction form
    64,027.70/96,041.55 = 40,757.30/x
  3. Step 3: Cross multiply
    64,027.70x = 96,041.55 × 40,757.30
  4. Step 4: Simplify right side
    64,027.70x = 3,914,394,265.82
  5. Step 5: Solve for x
    x = 3,914,394,265.82/64,027.70
  6. Step 6: Final answer
    x = 61,135.95

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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.