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Finding the Fourth Proportional to 68,205.52, 94,101.96 and 38,391.76

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Solution

The fourth proportional to 68,205.52, 94,101.96 and 38,391.76 is: 52,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,205.52 : 94,101.96 = 38,391.76 : x
  2. Step 2: Convert to fraction form
    68,205.52/94,101.96 = 38,391.76/x
  3. Step 3: Cross multiply
    68,205.52x = 94,101.96 × 38,391.76
  4. Step 4: Simplify right side
    68,205.52x = 3,612,739,863.85
  5. Step 5: Solve for x
    x = 3,612,739,863.85/68,205.52
  6. Step 6: Final answer
    x = 52,968.44

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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.