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Finding the Fourth Proportional to 70,734.06, 97,611.05 and 38,902.97

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Solution

The fourth proportional to 70,734.06, 97,611.05 and 38,902.97 is: 53,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,734.06 : 97,611.05 = 38,902.97 : x
  2. Step 2: Convert to fraction form
    70,734.06/97,611.05 = 38,902.97/x
  3. Step 3: Cross multiply
    70,734.06x = 97,611.05 × 38,902.97
  4. Step 4: Simplify right side
    70,734.06x = 3,797,360,091.10
  5. Step 5: Solve for x
    x = 3,797,360,091.10/70,734.06
  6. Step 6: Final answer
    x = 53,685.03

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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.