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Finding the Fourth Proportional to 40,122.40, 60,241.20 and 22,626.40

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Solution

The fourth proportional to 40,122.40, 60,241.20 and 22,626.40 is: 33,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.40 : 60,241.20 = 22,626.40 : x
  2. Step 2: Convert to fraction form
    40,122.40/60,241.20 = 22,626.40/x
  3. Step 3: Cross multiply
    40,122.40x = 60,241.20 × 22,626.40
  4. Step 4: Simplify right side
    40,122.40x = 1,363,041,487.68
  5. Step 5: Solve for x
    x = 1,363,041,487.68/40,122.40
  6. Step 6: Final answer
    x = 33,972.08

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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.