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Finding the Fourth Proportional to 65,173.80, 97,793.10 and 25,732.20

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Solution

The fourth proportional to 65,173.80, 97,793.10 and 25,732.20 is: 38,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,173.80 : 97,793.10 = 25,732.20 : x
  2. Step 2: Convert to fraction form
    65,173.80/97,793.10 = 25,732.20/x
  3. Step 3: Cross multiply
    65,173.80x = 97,793.10 × 25,732.20
  4. Step 4: Simplify right side
    65,173.80x = 2,516,431,607.82
  5. Step 5: Solve for x
    x = 2,516,431,607.82/65,173.80
  6. Step 6: Final answer
    x = 38,611.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.