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Finding the Fourth Proportional to 17,878.40, 26,792.52 and 15,232

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Solution

The fourth proportional to 17,878.40, 26,792.52 and 15,232 is: 22,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.40 : 26,792.52 = 15,232 : x
  2. Step 2: Convert to fraction form
    17,878.40/26,792.52 = 15,232/x
  3. Step 3: Cross multiply
    17,878.40x = 26,792.52 × 15,232
  4. Step 4: Simplify right side
    17,878.40x = 408,103,664.64
  5. Step 5: Solve for x
    x = 408,103,664.64/17,878.40
  6. Step 6: Final answer
    x = 22,826.63

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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.