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Finding the Fourth Proportional to 3,671.16, 5,066.12 and 2,099.16

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Solution

The fourth proportional to 3,671.16, 5,066.12 and 2,099.16 is: 2,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.16 : 5,066.12 = 2,099.16 : x
  2. Step 2: Convert to fraction form
    3,671.16/5,066.12 = 2,099.16/x
  3. Step 3: Cross multiply
    3,671.16x = 5,066.12 × 2,099.16
  4. Step 4: Simplify right side
    3,671.16x = 10,634,585.96
  5. Step 5: Solve for x
    x = 10,634,585.96/3,671.16
  6. Step 6: Final answer
    x = 2,896.79

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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.