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Finding the Fourth Proportional to 4,899.06, 6,760.67 and 2,660.90

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Solution

The fourth proportional to 4,899.06, 6,760.67 and 2,660.90 is: 3,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.06 : 6,760.67 = 2,660.90 : x
  2. Step 2: Convert to fraction form
    4,899.06/6,760.67 = 2,660.90/x
  3. Step 3: Cross multiply
    4,899.06x = 6,760.67 × 2,660.90
  4. Step 4: Simplify right side
    4,899.06x = 17,989,466.80
  5. Step 5: Solve for x
    x = 17,989,466.80/4,899.06
  6. Step 6: Final answer
    x = 3,672.02

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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.