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Finding the Fourth Proportional to 3,443.34, 4,751.78 and 1,871.46

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Solution

The fourth proportional to 3,443.34, 4,751.78 and 1,871.46 is: 2,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.34 : 4,751.78 = 1,871.46 : x
  2. Step 2: Convert to fraction form
    3,443.34/4,751.78 = 1,871.46/x
  3. Step 3: Cross multiply
    3,443.34x = 4,751.78 × 1,871.46
  4. Step 4: Simplify right side
    3,443.34x = 8,892,766.20
  5. Step 5: Solve for x
    x = 8,892,766.20/3,443.34
  6. Step 6: Final answer
    x = 2,582.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.