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Finding the Fourth Proportional to 69,080.72, 95,324.65 and 38,865.39

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Solution

The fourth proportional to 69,080.72, 95,324.65 and 38,865.39 is: 53,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,080.72 : 95,324.65 = 38,865.39 : x
  2. Step 2: Convert to fraction form
    69,080.72/95,324.65 = 38,865.39/x
  3. Step 3: Cross multiply
    69,080.72x = 95,324.65 × 38,865.39
  4. Step 4: Simplify right side
    69,080.72x = 3,704,829,244.23
  5. Step 5: Solve for x
    x = 3,704,829,244.23/69,080.72
  6. Step 6: Final answer
    x = 53,630.44

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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.