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Finding the Fourth Proportional to 69,321.38, 95,659.04 and 39,511.46

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Solution

The fourth proportional to 69,321.38, 95,659.04 and 39,511.46 is: 54,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,321.38 : 95,659.04 = 39,511.46 : x
  2. Step 2: Convert to fraction form
    69,321.38/95,659.04 = 39,511.46/x
  3. Step 3: Cross multiply
    69,321.38x = 95,659.04 × 39,511.46
  4. Step 4: Simplify right side
    69,321.38x = 3,779,628,332.60
  5. Step 5: Solve for x
    x = 3,779,628,332.60/69,321.38
  6. Step 6: Final answer
    x = 54,523.27

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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.