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Finding the Fourth Proportional to 6,871.13, 10,305.95 and 4,664.10

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Solution

The fourth proportional to 6,871.13, 10,305.95 and 4,664.10 is: 6,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.13 : 10,305.95 = 4,664.10 : x
  2. Step 2: Convert to fraction form
    6,871.13/10,305.95 = 4,664.10/x
  3. Step 3: Cross multiply
    6,871.13x = 10,305.95 × 4,664.10
  4. Step 4: Simplify right side
    6,871.13x = 48,067,958.07
  5. Step 5: Solve for x
    x = 48,067,958.07/6,871.13
  6. Step 6: Final answer
    x = 6,995.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.