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Finding the Fourth Proportional to 3,099.01, 4,276.65 and 1,682.70

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Solution

The fourth proportional to 3,099.01, 4,276.65 and 1,682.70 is: 2,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.01 : 4,276.65 = 1,682.70 : x
  2. Step 2: Convert to fraction form
    3,099.01/4,276.65 = 1,682.70/x
  3. Step 3: Cross multiply
    3,099.01x = 4,276.65 × 1,682.70
  4. Step 4: Simplify right side
    3,099.01x = 7,196,318.96
  5. Step 5: Solve for x
    x = 7,196,318.96/3,099.01
  6. Step 6: Final answer
    x = 2,322.13

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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.