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Finding the Fourth Proportional to 15,273.88, 22,916.01 and 8,602.31

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Solution

The fourth proportional to 15,273.88, 22,916.01 and 8,602.31 is: 12,906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273.88 : 22,916.01 = 8,602.31 : x
  2. Step 2: Convert to fraction form
    15,273.88/22,916.01 = 8,602.31/x
  3. Step 3: Cross multiply
    15,273.88x = 22,916.01 × 8,602.31
  4. Step 4: Simplify right side
    15,273.88x = 197,130,621.98
  5. Step 5: Solve for x
    x = 197,130,621.98/15,273.88
  6. Step 6: Final answer
    x = 12,906.39

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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.