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Finding the Fourth Proportional to 3,351.64, 5,019.18 and 2,703.64

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Solution

The fourth proportional to 3,351.64, 5,019.18 and 2,703.64 is: 4,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.64 : 5,019.18 = 2,703.64 : x
  2. Step 2: Convert to fraction form
    3,351.64/5,019.18 = 2,703.64/x
  3. Step 3: Cross multiply
    3,351.64x = 5,019.18 × 2,703.64
  4. Step 4: Simplify right side
    3,351.64x = 13,570,055.82
  5. Step 5: Solve for x
    x = 13,570,055.82/3,351.64
  6. Step 6: Final answer
    x = 4,048.78

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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.