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Finding the Fourth Proportional to 4,956.17, 6,839.48 and 2,860.25

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Solution

The fourth proportional to 4,956.17, 6,839.48 and 2,860.25 is: 3,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.17 : 6,839.48 = 2,860.25 : x
  2. Step 2: Convert to fraction form
    4,956.17/6,839.48 = 2,860.25/x
  3. Step 3: Cross multiply
    4,956.17x = 6,839.48 × 2,860.25
  4. Step 4: Simplify right side
    4,956.17x = 19,562,608.37
  5. Step 5: Solve for x
    x = 19,562,608.37/4,956.17
  6. Step 6: Final answer
    x = 3,947.12

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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.