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Finding the Fourth Proportional to 4,853.60, 6,699.72 and 2,865.04

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Solution

The fourth proportional to 4,853.60, 6,699.72 and 2,865.04 is: 3,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.60 : 6,699.72 = 2,865.04 : x
  2. Step 2: Convert to fraction form
    4,853.60/6,699.72 = 2,865.04/x
  3. Step 3: Cross multiply
    4,853.60x = 6,699.72 × 2,865.04
  4. Step 4: Simplify right side
    4,853.60x = 19,194,965.79
  5. Step 5: Solve for x
    x = 19,194,965.79/4,853.60
  6. Step 6: Final answer
    x = 3,954.79

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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.