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Finding the Fourth Proportional to 64,250.76, 88,620.30 and 39,101.88

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Solution

The fourth proportional to 64,250.76, 88,620.30 and 39,101.88 is: 53,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,250.76 : 88,620.30 = 39,101.88 : x
  2. Step 2: Convert to fraction form
    64,250.76/88,620.30 = 39,101.88/x
  3. Step 3: Cross multiply
    64,250.76x = 88,620.30 × 39,101.88
  4. Step 4: Simplify right side
    64,250.76x = 3,465,220,336.16
  5. Step 5: Solve for x
    x = 3,465,220,336.16/64,250.76
  6. Step 6: Final answer
    x = 53,932.75

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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.