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Finding the Fourth Proportional to 63,992.40, 95,866.20 and 34,400.40

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Solution

The fourth proportional to 63,992.40, 95,866.20 and 34,400.40 is: 51,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,992.40 : 95,866.20 = 34,400.40 : x
  2. Step 2: Convert to fraction form
    63,992.40/95,866.20 = 34,400.40/x
  3. Step 3: Cross multiply
    63,992.40x = 95,866.20 × 34,400.40
  4. Step 4: Simplify right side
    63,992.40x = 3,297,835,626.48
  5. Step 5: Solve for x
    x = 3,297,835,626.48/63,992.40
  6. Step 6: Final answer
    x = 51,534.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.