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Finding the Fourth Proportional to 69,101.91, 95,365.62 and 38,890.26

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Solution

The fourth proportional to 69,101.91, 95,365.62 and 38,890.26 is: 53,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,101.91 : 95,365.62 = 38,890.26 : x
  2. Step 2: Convert to fraction form
    69,101.91/95,365.62 = 38,890.26/x
  3. Step 3: Cross multiply
    69,101.91x = 95,365.62 × 38,890.26
  4. Step 4: Simplify right side
    69,101.91x = 3,708,793,756.86
  5. Step 5: Solve for x
    x = 3,708,793,756.86/69,101.91
  6. Step 6: Final answer
    x = 53,671.36

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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.