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Finding the Fourth Proportional to 69,770.88, 96,277.56 and 38,726.94

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Solution

The fourth proportional to 69,770.88, 96,277.56 and 38,726.94 is: 53,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,770.88 : 96,277.56 = 38,726.94 : x
  2. Step 2: Convert to fraction form
    69,770.88/96,277.56 = 38,726.94/x
  3. Step 3: Cross multiply
    69,770.88x = 96,277.56 × 38,726.94
  4. Step 4: Simplify right side
    69,770.88x = 3,728,535,289.47
  5. Step 5: Solve for x
    x = 3,728,535,289.47/69,770.88
  6. Step 6: Final answer
    x = 53,439.71

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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.