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Finding the Fourth Proportional to 50,604.80, 69,907.20 and 48,531.20

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Solution

The fourth proportional to 50,604.80, 69,907.20 and 48,531.20 is: 67,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,604.80 : 69,907.20 = 48,531.20 : x
  2. Step 2: Convert to fraction form
    50,604.80/69,907.20 = 48,531.20/x
  3. Step 3: Cross multiply
    50,604.80x = 69,907.20 × 48,531.20
  4. Step 4: Simplify right side
    50,604.80x = 3,392,680,304.64
  5. Step 5: Solve for x
    x = 3,392,680,304.64/50,604.80
  6. Step 6: Final answer
    x = 67,042.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.