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Finding the Fourth Proportional to 69,402.80, 95,775.86 and 37,571.96

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Solution

The fourth proportional to 69,402.80, 95,775.86 and 37,571.96 is: 51,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,402.80 : 95,775.86 = 37,571.96 : x
  2. Step 2: Convert to fraction form
    69,402.80/95,775.86 = 37,571.96/x
  3. Step 3: Cross multiply
    69,402.80x = 95,775.86 × 37,571.96
  4. Step 4: Simplify right side
    69,402.80x = 3,598,486,780.89
  5. Step 5: Solve for x
    x = 3,598,486,780.89/69,402.80
  6. Step 6: Final answer
    x = 51,849.30

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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.