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Finding the Fourth Proportional to 68,819.03, 94,970.11 and 38,196.82

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Solution

The fourth proportional to 68,819.03, 94,970.11 and 38,196.82 is: 52,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,819.03 : 94,970.11 = 38,196.82 : x
  2. Step 2: Convert to fraction form
    68,819.03/94,970.11 = 38,196.82/x
  3. Step 3: Cross multiply
    68,819.03x = 94,970.11 × 38,196.82
  4. Step 4: Simplify right side
    68,819.03x = 3,627,555,614.44
  5. Step 5: Solve for x
    x = 3,627,555,614.44/68,819.03
  6. Step 6: Final answer
    x = 52,711.52

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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.