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Finding the Fourth Proportional to 25,898.05, 38,837.31 and 8,363.17

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Solution

The fourth proportional to 25,898.05, 38,837.31 and 8,363.17 is: 12,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,898.05 : 38,837.31 = 8,363.17 : x
  2. Step 2: Convert to fraction form
    25,898.05/38,837.31 = 8,363.17/x
  3. Step 3: Cross multiply
    25,898.05x = 38,837.31 × 8,363.17
  4. Step 4: Simplify right side
    25,898.05x = 324,803,025.87
  5. Step 5: Solve for x
    x = 324,803,025.87/25,898.05
  6. Step 6: Final answer
    x = 12,541.60

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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.