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Finding the Fourth Proportional to 63,674.70, 95,512.05 and 57,769.80

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Solution

The fourth proportional to 63,674.70, 95,512.05 and 57,769.80 is: 86,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.70 : 95,512.05 = 57,769.80 : x
  2. Step 2: Convert to fraction form
    63,674.70/95,512.05 = 57,769.80/x
  3. Step 3: Cross multiply
    63,674.70x = 95,512.05 × 57,769.80
  4. Step 4: Simplify right side
    63,674.70x = 5,517,712,026.09
  5. Step 5: Solve for x
    x = 5,517,712,026.09/63,674.70
  6. Step 6: Final answer
    x = 86,654.70

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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.