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Finding the Fourth Proportional to 5,792.88, 8,685.12 and 3,327.24

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Solution

The fourth proportional to 5,792.88, 8,685.12 and 3,327.24 is: 4,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.88 : 8,685.12 = 3,327.24 : x
  2. Step 2: Convert to fraction form
    5,792.88/8,685.12 = 3,327.24/x
  3. Step 3: Cross multiply
    5,792.88x = 8,685.12 × 3,327.24
  4. Step 4: Simplify right side
    5,792.88x = 28,897,478.67
  5. Step 5: Solve for x
    x = 28,897,478.67/5,792.88
  6. Step 6: Final answer
    x = 4,988.45

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1.5x scale

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.