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Finding the Fourth Proportional to 33,420.20, 50,143.10 and 32,895.40

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Solution

The fourth proportional to 33,420.20, 50,143.10 and 32,895.40 is: 49,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.20 : 50,143.10 = 32,895.40 : x
  2. Step 2: Convert to fraction form
    33,420.20/50,143.10 = 32,895.40/x
  3. Step 3: Cross multiply
    33,420.20x = 50,143.10 × 32,895.40
  4. Step 4: Simplify right side
    33,420.20x = 1,649,477,331.74
  5. Step 5: Solve for x
    x = 1,649,477,331.74/33,420.20
  6. Step 6: Final answer
    x = 49,355.70

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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.