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Finding the Fourth Proportional to 25,374.39, 38,067.93 and 9,579.39

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Solution

The fourth proportional to 25,374.39, 38,067.93 and 9,579.39 is: 14,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.39 : 38,067.93 = 9,579.39 : x
  2. Step 2: Convert to fraction form
    25,374.39/38,067.93 = 9,579.39/x
  3. Step 3: Cross multiply
    25,374.39x = 38,067.93 × 9,579.39
  4. Step 4: Simplify right side
    25,374.39x = 364,667,547.96
  5. Step 5: Solve for x
    x = 364,667,547.96/25,374.39
  6. Step 6: Final answer
    x = 14,371.48

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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.