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Finding the Fourth Proportional to 3,994.01, 5,512.56 and 2,400.74

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Solution

The fourth proportional to 3,994.01, 5,512.56 and 2,400.74 is: 3,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.01 : 5,512.56 = 2,400.74 : x
  2. Step 2: Convert to fraction form
    3,994.01/5,512.56 = 2,400.74/x
  3. Step 3: Cross multiply
    3,994.01x = 5,512.56 × 2,400.74
  4. Step 4: Simplify right side
    3,994.01x = 13,234,223.29
  5. Step 5: Solve for x
    x = 13,234,223.29/3,994.01
  6. Step 6: Final answer
    x = 3,313.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.