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Finding the Fourth Proportional to 69,479.62, 95,882.21 and 37,648.58

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Solution

The fourth proportional to 69,479.62, 95,882.21 and 37,648.58 is: 51,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,479.62 : 95,882.21 = 37,648.58 : x
  2. Step 2: Convert to fraction form
    69,479.62/95,882.21 = 37,648.58/x
  3. Step 3: Cross multiply
    69,479.62x = 95,882.21 × 37,648.58
  4. Step 4: Simplify right side
    69,479.62x = 3,609,829,147.88
  5. Step 5: Solve for x
    x = 3,609,829,147.88/69,479.62
  6. Step 6: Final answer
    x = 51,955.22

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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.