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Finding the Fourth Proportional to 3,684.97, 5,530.13 and 2,763.01

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Solution

The fourth proportional to 3,684.97, 5,530.13 and 2,763.01 is: 4,146.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.97 : 5,530.13 = 2,763.01 : x
  2. Step 2: Convert to fraction form
    3,684.97/5,530.13 = 2,763.01/x
  3. Step 3: Cross multiply
    3,684.97x = 5,530.13 × 2,763.01
  4. Step 4: Simplify right side
    3,684.97x = 15,279,807.95
  5. Step 5: Solve for x
    x = 15,279,807.95/3,684.97
  6. Step 6: Final answer
    x = 4,146.52

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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.