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Finding the Fourth Proportional to 5,871.74, 8,806.78 and 2,173.35

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Solution

The fourth proportional to 5,871.74, 8,806.78 and 2,173.35 is: 3,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.74 : 8,806.78 = 2,173.35 : x
  2. Step 2: Convert to fraction form
    5,871.74/8,806.78 = 2,173.35/x
  3. Step 3: Cross multiply
    5,871.74x = 8,806.78 × 2,173.35
  4. Step 4: Simplify right side
    5,871.74x = 19,140,215.31
  5. Step 5: Solve for x
    x = 19,140,215.31/5,871.74
  6. Step 6: Final answer
    x = 3,259.72

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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.