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Finding the Fourth Proportional to 25,480.80, 38,221.20 and 24,460.20

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Solution

The fourth proportional to 25,480.80, 38,221.20 and 24,460.20 is: 36,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.80 : 38,221.20 = 24,460.20 : x
  2. Step 2: Convert to fraction form
    25,480.80/38,221.20 = 24,460.20/x
  3. Step 3: Cross multiply
    25,480.80x = 38,221.20 × 24,460.20
  4. Step 4: Simplify right side
    25,480.80x = 934,898,196.24
  5. Step 5: Solve for x
    x = 934,898,196.24/25,480.80
  6. Step 6: Final answer
    x = 36,690.30

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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.