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Finding the Fourth Proportional to 4,862.44, 6,698.46 and 3,867.40

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Solution

The fourth proportional to 4,862.44, 6,698.46 and 3,867.40 is: 5,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.44 : 6,698.46 = 3,867.40 : x
  2. Step 2: Convert to fraction form
    4,862.44/6,698.46 = 3,867.40/x
  3. Step 3: Cross multiply
    4,862.44x = 6,698.46 × 3,867.40
  4. Step 4: Simplify right side
    4,862.44x = 25,905,624.20
  5. Step 5: Solve for x
    x = 25,905,624.20/4,862.44
  6. Step 6: Final answer
    x = 5,327.70

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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.