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Finding the Fourth Proportional to 27,792.40, 41,674.20 and 10,253.20

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Solution

The fourth proportional to 27,792.40, 41,674.20 and 10,253.20 is: 15,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,792.40 : 41,674.20 = 10,253.20 : x
  2. Step 2: Convert to fraction form
    27,792.40/41,674.20 = 10,253.20/x
  3. Step 3: Cross multiply
    27,792.40x = 41,674.20 × 10,253.20
  4. Step 4: Simplify right side
    27,792.40x = 427,293,907.44
  5. Step 5: Solve for x
    x = 427,293,907.44/27,792.40
  6. Step 6: Final answer
    x = 15,374.49

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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.