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Finding the Fourth Proportional to 6,551.08, 9,826.65 and 1,871.17

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Solution

The fourth proportional to 6,551.08, 9,826.65 and 1,871.17 is: 2,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.08 : 9,826.65 = 1,871.17 : x
  2. Step 2: Convert to fraction form
    6,551.08/9,826.65 = 1,871.17/x
  3. Step 3: Cross multiply
    6,551.08x = 9,826.65 × 1,871.17
  4. Step 4: Simplify right side
    6,551.08x = 18,387,274.19
  5. Step 5: Solve for x
    x = 18,387,274.19/6,551.08
  6. Step 6: Final answer
    x = 2,806.76

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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.