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Finding the Fourth Proportional to 26,841.90, 37,043.10 and 15,512.90

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Solution

The fourth proportional to 26,841.90, 37,043.10 and 15,512.90 is: 21,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,841.90 : 37,043.10 = 15,512.90 : x
  2. Step 2: Convert to fraction form
    26,841.90/37,043.10 = 15,512.90/x
  3. Step 3: Cross multiply
    26,841.90x = 37,043.10 × 15,512.90
  4. Step 4: Simplify right side
    26,841.90x = 574,645,905.99
  5. Step 5: Solve for x
    x = 574,645,905.99/26,841.90
  6. Step 6: Final answer
    x = 21,408.54

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1.5x scale

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.