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Finding the Fourth Proportional to 38,590.62, 53,232.75 and 22,671.78

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Solution

The fourth proportional to 38,590.62, 53,232.75 and 22,671.78 is: 31,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.62 : 53,232.75 = 22,671.78 : x
  2. Step 2: Convert to fraction form
    38,590.62/53,232.75 = 22,671.78/x
  3. Step 3: Cross multiply
    38,590.62x = 53,232.75 × 22,671.78
  4. Step 4: Simplify right side
    38,590.62x = 1,206,881,196.80
  5. Step 5: Solve for x
    x = 1,206,881,196.80/38,590.62
  6. Step 6: Final answer
    x = 31,273.95

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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.