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Finding the Fourth Proportional to 38,067.47, 52,533.11 and 21,300.47

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Solution

The fourth proportional to 38,067.47, 52,533.11 and 21,300.47 is: 29,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067.47 : 52,533.11 = 21,300.47 : x
  2. Step 2: Convert to fraction form
    38,067.47/52,533.11 = 21,300.47/x
  3. Step 3: Cross multiply
    38,067.47x = 52,533.11 × 21,300.47
  4. Step 4: Simplify right side
    38,067.47x = 1,118,979,801.33
  5. Step 5: Solve for x
    x = 1,118,979,801.33/38,067.47
  6. Step 6: Final answer
    x = 29,394.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.