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Finding the Fourth Proportional to 6,694.28, 9,241.53 and 4,899.77

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Solution

The fourth proportional to 6,694.28, 9,241.53 and 4,899.77 is: 6,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,694.28 : 9,241.53 = 4,899.77 : x
  2. Step 2: Convert to fraction form
    6,694.28/9,241.53 = 4,899.77/x
  3. Step 3: Cross multiply
    6,694.28x = 9,241.53 × 4,899.77
  4. Step 4: Simplify right side
    6,694.28x = 45,281,371.45
  5. Step 5: Solve for x
    x = 45,281,371.45/6,694.28
  6. Step 6: Final answer
    x = 6,764.19

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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.