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Finding the Fourth Proportional to 68,894.93, 95,074.17 and 38,679.50

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Solution

The fourth proportional to 68,894.93, 95,074.17 and 38,679.50 is: 53,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,894.93 : 95,074.17 = 38,679.50 : x
  2. Step 2: Convert to fraction form
    68,894.93/95,074.17 = 38,679.50/x
  3. Step 3: Cross multiply
    68,894.93x = 95,074.17 × 38,679.50
  4. Step 4: Simplify right side
    68,894.93x = 3,677,420,883.14
  5. Step 5: Solve for x
    x = 3,677,420,883.14/68,894.93
  6. Step 6: Final answer
    x = 53,377.24

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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.