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Finding the Fourth Proportional to 5,607.68, 8,401.94 and 3,961.04

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Solution

The fourth proportional to 5,607.68, 8,401.94 and 3,961.04 is: 5,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.68 : 8,401.94 = 3,961.04 : x
  2. Step 2: Convert to fraction form
    5,607.68/8,401.94 = 3,961.04/x
  3. Step 3: Cross multiply
    5,607.68x = 8,401.94 × 3,961.04
  4. Step 4: Simplify right side
    5,607.68x = 33,280,421.62
  5. Step 5: Solve for x
    x = 33,280,421.62/5,607.68
  6. Step 6: Final answer
    x = 5,934.80

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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.