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Finding the Fourth Proportional to 38,479, 57,551.73 and 22,646.29

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Solution

The fourth proportional to 38,479, 57,551.73 and 22,646.29 is: 33,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479 : 57,551.73 = 22,646.29 : x
  2. Step 2: Convert to fraction form
    38,479/57,551.73 = 22,646.29/x
  3. Step 3: Cross multiply
    38,479x = 57,551.73 × 22,646.29
  4. Step 4: Simplify right side
    38,479x = 1,303,333,167.58
  5. Step 5: Solve for x
    x = 1,303,333,167.58/38,479
  6. Step 6: Final answer
    x = 33,871.28

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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.