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Finding the Fourth Proportional to 25,348.80, 38,023.20 and 22,627.20

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Solution

The fourth proportional to 25,348.80, 38,023.20 and 22,627.20 is: 33,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.80 : 38,023.20 = 22,627.20 : x
  2. Step 2: Convert to fraction form
    25,348.80/38,023.20 = 22,627.20/x
  3. Step 3: Cross multiply
    25,348.80x = 38,023.20 × 22,627.20
  4. Step 4: Simplify right side
    25,348.80x = 860,358,551.04
  5. Step 5: Solve for x
    x = 860,358,551.04/25,348.80
  6. Step 6: Final answer
    x = 33,940.80

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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.