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Finding the Fourth Proportional to 25,753.60, 38,630.40 and 22,374.40

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Solution

The fourth proportional to 25,753.60, 38,630.40 and 22,374.40 is: 33,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,753.60 : 38,630.40 = 22,374.40 : x
  2. Step 2: Convert to fraction form
    25,753.60/38,630.40 = 22,374.40/x
  3. Step 3: Cross multiply
    25,753.60x = 38,630.40 × 22,374.40
  4. Step 4: Simplify right side
    25,753.60x = 864,332,021.76
  5. Step 5: Solve for x
    x = 864,332,021.76/25,753.60
  6. Step 6: Final answer
    x = 33,561.60

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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.