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Finding the Fourth Proportional to 9,361.32, 14,044.32 and 2,787.52

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Solution

The fourth proportional to 9,361.32, 14,044.32 and 2,787.52 is: 4,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.32 : 14,044.32 = 2,787.52 : x
  2. Step 2: Convert to fraction form
    9,361.32/14,044.32 = 2,787.52/x
  3. Step 3: Cross multiply
    9,361.32x = 14,044.32 × 2,787.52
  4. Step 4: Simplify right side
    9,361.32x = 39,148,822.89
  5. Step 5: Solve for x
    x = 39,148,822.89/9,361.32
  6. Step 6: Final answer
    x = 4,181.98

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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.