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Finding the Fourth Proportional to 3,773.02, 5,628.52 and 3,221.71

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Solution

The fourth proportional to 3,773.02, 5,628.52 and 3,221.71 is: 4,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.02 : 5,628.52 = 3,221.71 : x
  2. Step 2: Convert to fraction form
    3,773.02/5,628.52 = 3,221.71/x
  3. Step 3: Cross multiply
    3,773.02x = 5,628.52 × 3,221.71
  4. Step 4: Simplify right side
    3,773.02x = 18,133,459.17
  5. Step 5: Solve for x
    x = 18,133,459.17/3,773.02
  6. Step 6: Final answer
    x = 4,806.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.