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Finding the Fourth Proportional to 69,169.80, 95,454.50 and 40,484.26

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Solution

The fourth proportional to 69,169.80, 95,454.50 and 40,484.26 is: 55,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,169.80 : 95,454.50 = 40,484.26 : x
  2. Step 2: Convert to fraction form
    69,169.80/95,454.50 = 40,484.26/x
  3. Step 3: Cross multiply
    69,169.80x = 95,454.50 × 40,484.26
  4. Step 4: Simplify right side
    69,169.80x = 3,864,404,403.86
  5. Step 5: Solve for x
    x = 3,864,404,403.86/69,169.80
  6. Step 6: Final answer
    x = 55,868.38

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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.