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Finding the Fourth Proportional to 69,874.80, 96,425.04 and 38,043.48

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Solution

The fourth proportional to 69,874.80, 96,425.04 and 38,043.48 is: 52,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,874.80 : 96,425.04 = 38,043.48 : x
  2. Step 2: Convert to fraction form
    69,874.80/96,425.04 = 38,043.48/x
  3. Step 3: Cross multiply
    69,874.80x = 96,425.04 × 38,043.48
  4. Step 4: Simplify right side
    69,874.80x = 3,668,344,080.74
  5. Step 5: Solve for x
    x = 3,668,344,080.74/69,874.80
  6. Step 6: Final answer
    x = 52,498.81

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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.