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Finding the Fourth Proportional to 26,552.88, 39,819.60 and 9,018

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Solution

The fourth proportional to 26,552.88, 39,819.60 and 9,018 is: 13,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,552.88 : 39,819.60 = 9,018 : x
  2. Step 2: Convert to fraction form
    26,552.88/39,819.60 = 9,018/x
  3. Step 3: Cross multiply
    26,552.88x = 39,819.60 × 9,018
  4. Step 4: Simplify right side
    26,552.88x = 359,093,152.80
  5. Step 5: Solve for x
    x = 359,093,152.80/26,552.88
  6. Step 6: Final answer
    x = 13,523.70

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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.