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Finding the Fourth Proportional to 25,497.60, 38,246.40 and 22,819.20

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Solution

The fourth proportional to 25,497.60, 38,246.40 and 22,819.20 is: 34,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,497.60 : 38,246.40 = 22,819.20 : x
  2. Step 2: Convert to fraction form
    25,497.60/38,246.40 = 22,819.20/x
  3. Step 3: Cross multiply
    25,497.60x = 38,246.40 × 22,819.20
  4. Step 4: Simplify right side
    25,497.60x = 872,752,250.88
  5. Step 5: Solve for x
    x = 872,752,250.88/25,497.60
  6. Step 6: Final answer
    x = 34,228.80

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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.