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Finding the Fourth Proportional to 40,320.40, 60,480.60 and 22,824.40

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Solution

The fourth proportional to 40,320.40, 60,480.60 and 22,824.40 is: 34,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.40 : 60,480.60 = 22,824.40 : x
  2. Step 2: Convert to fraction form
    40,320.40/60,480.60 = 22,824.40/x
  3. Step 3: Cross multiply
    40,320.40x = 60,480.60 × 22,824.40
  4. Step 4: Simplify right side
    40,320.40x = 1,380,433,406.64
  5. Step 5: Solve for x
    x = 1,380,433,406.64/40,320.40
  6. Step 6: Final answer
    x = 34,236.60

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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.