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Finding the Fourth Proportional to 4,548.60, 6,274.20 and 2,868.60

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Solution

The fourth proportional to 4,548.60, 6,274.20 and 2,868.60 is: 3,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.60 : 6,274.20 = 2,868.60 : x
  2. Step 2: Convert to fraction form
    4,548.60/6,274.20 = 2,868.60/x
  3. Step 3: Cross multiply
    4,548.60x = 6,274.20 × 2,868.60
  4. Step 4: Simplify right side
    4,548.60x = 17,998,170.12
  5. Step 5: Solve for x
    x = 17,998,170.12/4,548.60
  6. Step 6: Final answer
    x = 3,956.86

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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.