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Finding the Fourth Proportional to 4,899.77, 6,760.62 and 2,910.99

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Solution

The fourth proportional to 4,899.77, 6,760.62 and 2,910.99 is: 4,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.77 : 6,760.62 = 2,910.99 : x
  2. Step 2: Convert to fraction form
    4,899.77/6,760.62 = 2,910.99/x
  3. Step 3: Cross multiply
    4,899.77x = 6,760.62 × 2,910.99
  4. Step 4: Simplify right side
    4,899.77x = 19,680,097.21
  5. Step 5: Solve for x
    x = 19,680,097.21/4,899.77
  6. Step 6: Final answer
    x = 4,016.54

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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.