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Finding the Fourth Proportional to 10,637.67, 15,956.49 and 4,787.44

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Solution

The fourth proportional to 10,637.67, 15,956.49 and 4,787.44 is: 7,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.67 : 15,956.49 = 4,787.44 : x
  2. Step 2: Convert to fraction form
    10,637.67/15,956.49 = 4,787.44/x
  3. Step 3: Cross multiply
    10,637.67x = 15,956.49 × 4,787.44
  4. Step 4: Simplify right side
    10,637.67x = 76,390,738.49
  5. Step 5: Solve for x
    x = 76,390,738.49/10,637.67
  6. Step 6: Final answer
    x = 7,181.16

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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.