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Finding the Fourth Proportional to 26,661, 36,792.18 and 15,483.72

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Solution

The fourth proportional to 26,661, 36,792.18 and 15,483.72 is: 21,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661 : 36,792.18 = 15,483.72 : x
  2. Step 2: Convert to fraction form
    26,661/36,792.18 = 15,483.72/x
  3. Step 3: Cross multiply
    26,661x = 36,792.18 × 15,483.72
  4. Step 4: Simplify right side
    26,661x = 569,679,813.31
  5. Step 5: Solve for x
    x = 569,679,813.31/26,661
  6. Step 6: Final answer
    x = 21,367.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.