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Finding the Fourth Proportional to 4,392.80, 6,061.80 and 2,504.12

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Solution

The fourth proportional to 4,392.80, 6,061.80 and 2,504.12 is: 3,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.80 : 6,061.80 = 2,504.12 : x
  2. Step 2: Convert to fraction form
    4,392.80/6,061.80 = 2,504.12/x
  3. Step 3: Cross multiply
    4,392.80x = 6,061.80 × 2,504.12
  4. Step 4: Simplify right side
    4,392.80x = 15,179,474.62
  5. Step 5: Solve for x
    x = 15,179,474.62/4,392.80
  6. Step 6: Final answer
    x = 3,455.54

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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.