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Finding the Fourth Proportional to 69,839.41, 96,380.41 and 38,010.33

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Solution

The fourth proportional to 69,839.41, 96,380.41 and 38,010.33 is: 52,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,839.41 : 96,380.41 = 38,010.33 : x
  2. Step 2: Convert to fraction form
    69,839.41/96,380.41 = 38,010.33/x
  3. Step 3: Cross multiply
    69,839.41x = 96,380.41 × 38,010.33
  4. Step 4: Simplify right side
    69,839.41x = 3,663,450,853.66
  5. Step 5: Solve for x
    x = 3,663,450,853.66/69,839.41
  6. Step 6: Final answer
    x = 52,455.35

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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.