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Finding the Fourth Proportional to 69,469.59, 95,871.77 and 39,256.19

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Solution

The fourth proportional to 69,469.59, 95,871.77 and 39,256.19 is: 54,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,469.59 : 95,871.77 = 39,256.19 : x
  2. Step 2: Convert to fraction form
    69,469.59/95,871.77 = 39,256.19/x
  3. Step 3: Cross multiply
    69,469.59x = 95,871.77 × 39,256.19
  4. Step 4: Simplify right side
    69,469.59x = 3,763,559,743.12
  5. Step 5: Solve for x
    x = 3,763,559,743.12/69,469.59
  6. Step 6: Final answer
    x = 54,175.64

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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.