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Finding the Fourth Proportional to 5,488.78, 8,234.52 and 1,593.22

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Solution

The fourth proportional to 5,488.78, 8,234.52 and 1,593.22 is: 2,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.78 : 8,234.52 = 1,593.22 : x
  2. Step 2: Convert to fraction form
    5,488.78/8,234.52 = 1,593.22/x
  3. Step 3: Cross multiply
    5,488.78x = 8,234.52 × 1,593.22
  4. Step 4: Simplify right side
    5,488.78x = 13,119,401.95
  5. Step 5: Solve for x
    x = 13,119,401.95/5,488.78
  6. Step 6: Final answer
    x = 2,390.22

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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.