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Finding the Fourth Proportional to 64,221.97, 88,624.12 and 35,542.84

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Solution

The fourth proportional to 64,221.97, 88,624.12 and 35,542.84 is: 49,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,221.97 : 88,624.12 = 35,542.84 : x
  2. Step 2: Convert to fraction form
    64,221.97/88,624.12 = 35,542.84/x
  3. Step 3: Cross multiply
    64,221.97x = 88,624.12 × 35,542.84
  4. Step 4: Simplify right side
    64,221.97x = 3,149,952,917.30
  5. Step 5: Solve for x
    x = 3,149,952,917.30/64,221.97
  6. Step 6: Final answer
    x = 49,047.90

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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.