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Finding the Fourth Proportional to 34,608.25, 51,916.02 and 15,885.10

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Solution

The fourth proportional to 34,608.25, 51,916.02 and 15,885.10 is: 23,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,608.25 : 51,916.02 = 15,885.10 : x
  2. Step 2: Convert to fraction form
    34,608.25/51,916.02 = 15,885.10/x
  3. Step 3: Cross multiply
    34,608.25x = 51,916.02 × 15,885.10
  4. Step 4: Simplify right side
    34,608.25x = 824,691,169.30
  5. Step 5: Solve for x
    x = 824,691,169.30/34,608.25
  6. Step 6: Final answer
    x = 23,829.32

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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.