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Finding the Fourth Proportional to 3,054.38, 4,553.79 and 2,868.48

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Solution

The fourth proportional to 3,054.38, 4,553.79 and 2,868.48 is: 4,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.38 : 4,553.79 = 2,868.48 : x
  2. Step 2: Convert to fraction form
    3,054.38/4,553.79 = 2,868.48/x
  3. Step 3: Cross multiply
    3,054.38x = 4,553.79 × 2,868.48
  4. Step 4: Simplify right side
    3,054.38x = 13,062,444.78
  5. Step 5: Solve for x
    x = 13,062,444.78/3,054.38
  6. Step 6: Final answer
    x = 4,276.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.