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Finding the Fourth Proportional to 5,792, 7,992.96 and 3,308

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Solution

The fourth proportional to 5,792, 7,992.96 and 3,308 is: 4,565.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792 : 7,992.96 = 3,308 : x
  2. Step 2: Convert to fraction form
    5,792/7,992.96 = 3,308/x
  3. Step 3: Cross multiply
    5,792x = 7,992.96 × 3,308
  4. Step 4: Simplify right side
    5,792x = 26,440,711.68
  5. Step 5: Solve for x
    x = 26,440,711.68/5,792
  6. Step 6: Final answer
    x = 4,565.04

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Why These Related Problems?

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