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Finding the Fourth Proportional to 2,327.16, 3,489.88 and 683.28

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Solution

The fourth proportional to 2,327.16, 3,489.88 and 683.28 is: 1,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.16 : 3,489.88 = 683.28 : x
  2. Step 2: Convert to fraction form
    2,327.16/3,489.88 = 683.28/x
  3. Step 3: Cross multiply
    2,327.16x = 3,489.88 × 683.28
  4. Step 4: Simplify right side
    2,327.16x = 2,384,565.21
  5. Step 5: Solve for x
    x = 2,384,565.21/2,327.16
  6. Step 6: Final answer
    x = 1,024.67

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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.