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Finding the Fourth Proportional to 4,855.60, 6,702.48 and 2,867.04

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Solution

The fourth proportional to 4,855.60, 6,702.48 and 2,867.04 is: 3,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.60 : 6,702.48 = 2,867.04 : x
  2. Step 2: Convert to fraction form
    4,855.60/6,702.48 = 2,867.04/x
  3. Step 3: Cross multiply
    4,855.60x = 6,702.48 × 2,867.04
  4. Step 4: Simplify right side
    4,855.60x = 19,216,278.26
  5. Step 5: Solve for x
    x = 19,216,278.26/4,855.60
  6. Step 6: Final answer
    x = 3,957.55

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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.