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Finding the Fourth Proportional to 70,043.44, 96,659.04 and 38,211.66

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Solution

The fourth proportional to 70,043.44, 96,659.04 and 38,211.66 is: 52,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,043.44 : 96,659.04 = 38,211.66 : x
  2. Step 2: Convert to fraction form
    70,043.44/96,659.04 = 38,211.66/x
  3. Step 3: Cross multiply
    70,043.44x = 96,659.04 × 38,211.66
  4. Step 4: Simplify right side
    70,043.44x = 3,693,502,372.41
  5. Step 5: Solve for x
    x = 3,693,502,372.41/70,043.44
  6. Step 6: Final answer
    x = 52,731.60

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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.