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Finding the Fourth Proportional to 4,774.28, 6,589.05 and 4,621.19

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Solution

The fourth proportional to 4,774.28, 6,589.05 and 4,621.19 is: 6,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.28 : 6,589.05 = 4,621.19 : x
  2. Step 2: Convert to fraction form
    4,774.28/6,589.05 = 4,621.19/x
  3. Step 3: Cross multiply
    4,774.28x = 6,589.05 × 4,621.19
  4. Step 4: Simplify right side
    4,774.28x = 30,449,201.69
  5. Step 5: Solve for x
    x = 30,449,201.69/4,774.28
  6. Step 6: Final answer
    x = 6,377.76

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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.