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Finding the Fourth Proportional to 70,456.59, 97,230.50 and 38,191.29

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Solution

The fourth proportional to 70,456.59, 97,230.50 and 38,191.29 is: 52,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,456.59 : 97,230.50 = 38,191.29 : x
  2. Step 2: Convert to fraction form
    70,456.59/97,230.50 = 38,191.29/x
  3. Step 3: Cross multiply
    70,456.59x = 97,230.50 × 38,191.29
  4. Step 4: Simplify right side
    70,456.59x = 3,713,358,031.39
  5. Step 5: Solve for x
    x = 3,713,358,031.39/70,456.59
  6. Step 6: Final answer
    x = 52,704.20

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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.