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Finding the Fourth Proportional to 40,352.40, 60,550.20 and 18,169.20

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Solution

The fourth proportional to 40,352.40, 60,550.20 and 18,169.20 is: 27,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,352.40 : 60,550.20 = 18,169.20 : x
  2. Step 2: Convert to fraction form
    40,352.40/60,550.20 = 18,169.20/x
  3. Step 3: Cross multiply
    40,352.40x = 60,550.20 × 18,169.20
  4. Step 4: Simplify right side
    40,352.40x = 1,100,148,693.84
  5. Step 5: Solve for x
    x = 1,100,148,693.84/40,352.40
  6. Step 6: Final answer
    x = 27,263.53

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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.