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Finding the Fourth Proportional to 26,792.84, 40,200.20 and 9,275

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Solution

The fourth proportional to 26,792.84, 40,200.20 and 9,275 is: 13,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,792.84 : 40,200.20 = 9,275 : x
  2. Step 2: Convert to fraction form
    26,792.84/40,200.20 = 9,275/x
  3. Step 3: Cross multiply
    26,792.84x = 40,200.20 × 9,275
  4. Step 4: Simplify right side
    26,792.84x = 372,856,855
  5. Step 5: Solve for x
    x = 372,856,855/26,792.84
  6. Step 6: Final answer
    x = 13,916.29

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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.