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Finding the Fourth Proportional to 63,109.40, 87,080.82 and 35,882.60

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Solution

The fourth proportional to 63,109.40, 87,080.82 and 35,882.60 is: 49,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,109.40 : 87,080.82 = 35,882.60 : x
  2. Step 2: Convert to fraction form
    63,109.40/87,080.82 = 35,882.60/x
  3. Step 3: Cross multiply
    63,109.40x = 87,080.82 × 35,882.60
  4. Step 4: Simplify right side
    63,109.40x = 3,124,686,231.73
  5. Step 5: Solve for x
    x = 3,124,686,231.73/63,109.40
  6. Step 6: Final answer
    x = 49,512.22

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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.