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Finding the Fourth Proportional to 11,954.08, 17,915.76 and 5,019.04

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Solution

The fourth proportional to 11,954.08, 17,915.76 and 5,019.04 is: 7,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.08 : 17,915.76 = 5,019.04 : x
  2. Step 2: Convert to fraction form
    11,954.08/17,915.76 = 5,019.04/x
  3. Step 3: Cross multiply
    11,954.08x = 17,915.76 × 5,019.04
  4. Step 4: Simplify right side
    11,954.08x = 89,919,916.07
  5. Step 5: Solve for x
    x = 89,919,916.07/11,954.08
  6. Step 6: Final answer
    x = 7,522.11

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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.