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Finding the Fourth Proportional to 25,018.92, 37,528.20 and 8,379

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Solution

The fourth proportional to 25,018.92, 37,528.20 and 8,379 is: 12,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,018.92 : 37,528.20 = 8,379 : x
  2. Step 2: Convert to fraction form
    25,018.92/37,528.20 = 8,379/x
  3. Step 3: Cross multiply
    25,018.92x = 37,528.20 × 8,379
  4. Step 4: Simplify right side
    25,018.92x = 314,448,787.80
  5. Step 5: Solve for x
    x = 314,448,787.80/25,018.92
  6. Step 6: Final answer
    x = 12,568.44

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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.