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Finding the Fourth Proportional to 33,427.20, 50,140.80 and 14,959.20

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Solution

The fourth proportional to 33,427.20, 50,140.80 and 14,959.20 is: 22,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,427.20 : 50,140.80 = 14,959.20 : x
  2. Step 2: Convert to fraction form
    33,427.20/50,140.80 = 14,959.20/x
  3. Step 3: Cross multiply
    33,427.20x = 50,140.80 × 14,959.20
  4. Step 4: Simplify right side
    33,427.20x = 750,066,255.36
  5. Step 5: Solve for x
    x = 750,066,255.36/33,427.20
  6. Step 6: Final answer
    x = 22,438.80

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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.