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Finding the Fourth Proportional to 40,343.60, 60,486.60 and 22,818.80

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Solution

The fourth proportional to 40,343.60, 60,486.60 and 22,818.80 is: 34,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,343.60 : 60,486.60 = 22,818.80 : x
  2. Step 2: Convert to fraction form
    40,343.60/60,486.60 = 22,818.80/x
  3. Step 3: Cross multiply
    40,343.60x = 60,486.60 × 22,818.80
  4. Step 4: Simplify right side
    40,343.60x = 1,380,231,628.08
  5. Step 5: Solve for x
    x = 1,380,231,628.08/40,343.60
  6. Step 6: Final answer
    x = 34,211.91

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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.