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Finding the Fourth Proportional to 26,097.84, 39,147.84 and 7,629.84

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Solution

The fourth proportional to 26,097.84, 39,147.84 and 7,629.84 is: 11,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,097.84 : 39,147.84 = 7,629.84 : x
  2. Step 2: Convert to fraction form
    26,097.84/39,147.84 = 7,629.84/x
  3. Step 3: Cross multiply
    26,097.84x = 39,147.84 × 7,629.84
  4. Step 4: Simplify right side
    26,097.84x = 298,691,755.55
  5. Step 5: Solve for x
    x = 298,691,755.55/26,097.84
  6. Step 6: Final answer
    x = 11,445.08

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1.5x scale

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.