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Finding the Fourth Proportional to 4,994.20, 7,493.10 and 4,814.20

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Solution

The fourth proportional to 4,994.20, 7,493.10 and 4,814.20 is: 7,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.20 : 7,493.10 = 4,814.20 : x
  2. Step 2: Convert to fraction form
    4,994.20/7,493.10 = 4,814.20/x
  3. Step 3: Cross multiply
    4,994.20x = 7,493.10 × 4,814.20
  4. Step 4: Simplify right side
    4,994.20x = 36,073,282.02
  5. Step 5: Solve for x
    x = 36,073,282.02/4,994.20
  6. Step 6: Final answer
    x = 7,223.04

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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.