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Finding the Fourth Proportional to 70,680.78, 97,553.66 and 41,994.92

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Solution

The fourth proportional to 70,680.78, 97,553.66 and 41,994.92 is: 57,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.78 : 97,553.66 = 41,994.92 : x
  2. Step 2: Convert to fraction form
    70,680.78/97,553.66 = 41,994.92/x
  3. Step 3: Cross multiply
    70,680.78x = 97,553.66 × 41,994.92
  4. Step 4: Simplify right side
    70,680.78x = 4,096,758,147.41
  5. Step 5: Solve for x
    x = 4,096,758,147.41/70,680.78
  6. Step 6: Final answer
    x = 57,961.42

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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.