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Finding the Fourth Proportional to 3,788.84, 5,683.96 and 1,708.92

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Solution

The fourth proportional to 3,788.84, 5,683.96 and 1,708.92 is: 2,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.84 : 5,683.96 = 1,708.92 : x
  2. Step 2: Convert to fraction form
    3,788.84/5,683.96 = 1,708.92/x
  3. Step 3: Cross multiply
    3,788.84x = 5,683.96 × 1,708.92
  4. Step 4: Simplify right side
    3,788.84x = 9,713,432.92
  5. Step 5: Solve for x
    x = 9,713,432.92/3,788.84
  6. Step 6: Final answer
    x = 2,563.70

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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.