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Finding the Fourth Proportional to 15,883.33, 23,787.33 and 12,585.82

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Solution

The fourth proportional to 15,883.33, 23,787.33 and 12,585.82 is: 18,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,883.33 : 23,787.33 = 12,585.82 : x
  2. Step 2: Convert to fraction form
    15,883.33/23,787.33 = 12,585.82/x
  3. Step 3: Cross multiply
    15,883.33x = 23,787.33 × 12,585.82
  4. Step 4: Simplify right side
    15,883.33x = 299,383,053.66
  5. Step 5: Solve for x
    x = 299,383,053.66/15,883.33
  6. Step 6: Final answer
    x = 18,848.88

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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.