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Finding the Fourth Proportional to 4,991.83, 7,476.10 and 3,944.90

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Solution

The fourth proportional to 4,991.83, 7,476.10 and 3,944.90 is: 5,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.83 : 7,476.10 = 3,944.90 : x
  2. Step 2: Convert to fraction form
    4,991.83/7,476.10 = 3,944.90/x
  3. Step 3: Cross multiply
    4,991.83x = 7,476.10 × 3,944.90
  4. Step 4: Simplify right side
    4,991.83x = 29,492,475.72
  5. Step 5: Solve for x
    x = 29,492,475.72/4,991.83
  6. Step 6: Final answer
    x = 5,908.15

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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.