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Finding the Fourth Proportional to 70,458.56, 97,232.80 and 38,626.80

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Solution

The fourth proportional to 70,458.56, 97,232.80 and 38,626.80 is: 53,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,458.56 : 97,232.80 = 38,626.80 : x
  2. Step 2: Convert to fraction form
    70,458.56/97,232.80 = 38,626.80/x
  3. Step 3: Cross multiply
    70,458.56x = 97,232.80 × 38,626.80
  4. Step 4: Simplify right side
    70,458.56x = 3,755,791,919.04
  5. Step 5: Solve for x
    x = 3,755,791,919.04/70,458.56
  6. Step 6: Final answer
    x = 53,304.98

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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.