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Finding the Fourth Proportional to 3,994.95, 5,992.11 and 2,530.88

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Solution

The fourth proportional to 3,994.95, 5,992.11 and 2,530.88 is: 3,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.95 : 5,992.11 = 2,530.88 : x
  2. Step 2: Convert to fraction form
    3,994.95/5,992.11 = 2,530.88/x
  3. Step 3: Cross multiply
    3,994.95x = 5,992.11 × 2,530.88
  4. Step 4: Simplify right side
    3,994.95x = 15,165,281.40
  5. Step 5: Solve for x
    x = 15,165,281.40/3,994.95
  6. Step 6: Final answer
    x = 3,796.11

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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.