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Finding the Fourth Proportional to 5,606.78, 8,401.05 and 3,523.05

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Solution

The fourth proportional to 5,606.78, 8,401.05 and 3,523.05 is: 5,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.78 : 8,401.05 = 3,523.05 : x
  2. Step 2: Convert to fraction form
    5,606.78/8,401.05 = 3,523.05/x
  3. Step 3: Cross multiply
    5,606.78x = 8,401.05 × 3,523.05
  4. Step 4: Simplify right side
    5,606.78x = 29,597,319.20
  5. Step 5: Solve for x
    x = 29,597,319.20/5,606.78
  6. Step 6: Final answer
    x = 5,278.85

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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.