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Finding the Fourth Proportional to 68,976.19, 95,189.95 and 38,761.44

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Solution

The fourth proportional to 68,976.19, 95,189.95 and 38,761.44 is: 53,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,976.19 : 95,189.95 = 38,761.44 : x
  2. Step 2: Convert to fraction form
    68,976.19/95,189.95 = 38,761.44/x
  3. Step 3: Cross multiply
    68,976.19x = 95,189.95 × 38,761.44
  4. Step 4: Simplify right side
    68,976.19x = 3,689,699,227.02
  5. Step 5: Solve for x
    x = 3,689,699,227.02/68,976.19
  6. Step 6: Final answer
    x = 53,492.36

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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.