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Finding the Fourth Proportional to 3,673.33, 5,507.97 and 1,913.94

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Solution

The fourth proportional to 3,673.33, 5,507.97 and 1,913.94 is: 2,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.33 : 5,507.97 = 1,913.94 : x
  2. Step 2: Convert to fraction form
    3,673.33/5,507.97 = 1,913.94/x
  3. Step 3: Cross multiply
    3,673.33x = 5,507.97 × 1,913.94
  4. Step 4: Simplify right side
    3,673.33x = 10,541,937.87
  5. Step 5: Solve for x
    x = 10,541,937.87/3,673.33
  6. Step 6: Final answer
    x = 2,869.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.