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Finding the Fourth Proportional to 50,642.33, 75,917.05 and 19,454.09

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Solution

The fourth proportional to 50,642.33, 75,917.05 and 19,454.09 is: 29,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.33 : 75,917.05 = 19,454.09 : x
  2. Step 2: Convert to fraction form
    50,642.33/75,917.05 = 19,454.09/x
  3. Step 3: Cross multiply
    50,642.33x = 75,917.05 × 19,454.09
  4. Step 4: Simplify right side
    50,642.33x = 1,476,897,123.23
  5. Step 5: Solve for x
    x = 1,476,897,123.23/50,642.33
  6. Step 6: Final answer
    x = 29,163.29

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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.