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Finding the Fourth Proportional to 69,080.36, 95,326.98 and 38,866.96

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Solution

The fourth proportional to 69,080.36, 95,326.98 and 38,866.96 is: 53,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,080.36 : 95,326.98 = 38,866.96 : x
  2. Step 2: Convert to fraction form
    69,080.36/95,326.98 = 38,866.96/x
  3. Step 3: Cross multiply
    69,080.36x = 95,326.98 × 38,866.96
  4. Step 4: Simplify right side
    69,080.36x = 3,705,069,918.58
  5. Step 5: Solve for x
    x = 3,705,069,918.58/69,080.36
  6. Step 6: Final answer
    x = 53,634.20

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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.