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Finding the Fourth Proportional to 3,353.99, 5,027.85 and 3,077.19

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Solution

The fourth proportional to 3,353.99, 5,027.85 and 3,077.19 is: 4,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.99 : 5,027.85 = 3,077.19 : x
  2. Step 2: Convert to fraction form
    3,353.99/5,027.85 = 3,077.19/x
  3. Step 3: Cross multiply
    3,353.99x = 5,027.85 × 3,077.19
  4. Step 4: Simplify right side
    3,353.99x = 15,471,649.74
  5. Step 5: Solve for x
    x = 15,471,649.74/3,353.99
  6. Step 6: Final answer
    x = 4,612.92

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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.