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Finding the Fourth Proportional to 70,034.61, 96,646.17 and 38,204.64

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Solution

The fourth proportional to 70,034.61, 96,646.17 and 38,204.64 is: 52,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,034.61 : 96,646.17 = 38,204.64 : x
  2. Step 2: Convert to fraction form
    70,034.61/96,646.17 = 38,204.64/x
  3. Step 3: Cross multiply
    70,034.61x = 96,646.17 × 38,204.64
  4. Step 4: Simplify right side
    70,034.61x = 3,692,332,132.23
  5. Step 5: Solve for x
    x = 3,692,332,132.23/70,034.61
  6. Step 6: Final answer
    x = 52,721.53

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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.