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Finding the Fourth Proportional to 36,625.80, 54,809.10 and 25,480.20

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Solution

The fourth proportional to 36,625.80, 54,809.10 and 25,480.20 is: 38,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,625.80 : 54,809.10 = 25,480.20 : x
  2. Step 2: Convert to fraction form
    36,625.80/54,809.10 = 25,480.20/x
  3. Step 3: Cross multiply
    36,625.80x = 54,809.10 × 25,480.20
  4. Step 4: Simplify right side
    36,625.80x = 1,396,546,829.82
  5. Step 5: Solve for x
    x = 1,396,546,829.82/36,625.80
  6. Step 6: Final answer
    x = 38,130.14

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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.