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Finding the Fourth Proportional to 4,959.56, 6,845.01 and 2,864.90

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Solution

The fourth proportional to 4,959.56, 6,845.01 and 2,864.90 is: 3,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.56 : 6,845.01 = 2,864.90 : x
  2. Step 2: Convert to fraction form
    4,959.56/6,845.01 = 2,864.90/x
  3. Step 3: Cross multiply
    4,959.56x = 6,845.01 × 2,864.90
  4. Step 4: Simplify right side
    4,959.56x = 19,610,275.52
  5. Step 5: Solve for x
    x = 19,610,275.52/4,959.56
  6. Step 6: Final answer
    x = 3,954.03

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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.