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Finding the Fourth Proportional to 64,245.28, 88,658.80 and 35,951.36

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Solution

The fourth proportional to 64,245.28, 88,658.80 and 35,951.36 is: 49,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,245.28 : 88,658.80 = 35,951.36 : x
  2. Step 2: Convert to fraction form
    64,245.28/88,658.80 = 35,951.36/x
  3. Step 3: Cross multiply
    64,245.28x = 88,658.80 × 35,951.36
  4. Step 4: Simplify right side
    64,245.28x = 3,187,404,435.97
  5. Step 5: Solve for x
    x = 3,187,404,435.97/64,245.28
  6. Step 6: Final answer
    x = 49,613.05

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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.