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Finding the Fourth Proportional to 65,207.80, 97,844.10 and 25,766.20

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Solution

The fourth proportional to 65,207.80, 97,844.10 and 25,766.20 is: 38,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207.80 : 97,844.10 = 25,766.20 : x
  2. Step 2: Convert to fraction form
    65,207.80/97,844.10 = 25,766.20/x
  3. Step 3: Cross multiply
    65,207.80x = 97,844.10 × 25,766.20
  4. Step 4: Simplify right side
    65,207.80x = 2,521,070,649.42
  5. Step 5: Solve for x
    x = 2,521,070,649.42/65,207.80
  6. Step 6: Final answer
    x = 38,662.10

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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.