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Finding the Fourth Proportional to 70,649.38, 97,452.86 and 41,949.54

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Solution

The fourth proportional to 70,649.38, 97,452.86 and 41,949.54 is: 57,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,649.38 : 97,452.86 = 41,949.54 : x
  2. Step 2: Convert to fraction form
    70,649.38/97,452.86 = 41,949.54/x
  3. Step 3: Cross multiply
    70,649.38x = 97,452.86 × 41,949.54
  4. Step 4: Simplify right side
    70,649.38x = 4,088,102,648.68
  5. Step 5: Solve for x
    x = 4,088,102,648.68/70,649.38
  6. Step 6: Final answer
    x = 57,864.66

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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.