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Finding the Fourth Proportional to 70,044.32, 96,661.04 and 38,213.22

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Solution

The fourth proportional to 70,044.32, 96,661.04 and 38,213.22 is: 52,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,044.32 : 96,661.04 = 38,213.22 : x
  2. Step 2: Convert to fraction form
    70,044.32/96,661.04 = 38,213.22/x
  3. Step 3: Cross multiply
    70,044.32x = 96,661.04 × 38,213.22
  4. Step 4: Simplify right side
    70,044.32x = 3,693,729,586.95
  5. Step 5: Solve for x
    x = 3,693,729,586.95/70,044.32
  6. Step 6: Final answer
    x = 52,734.18

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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.