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Finding the Fourth Proportional to 17,736.90, 26,600.55 and 5,256.90

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Solution

The fourth proportional to 17,736.90, 26,600.55 and 5,256.90 is: 7,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,736.90 : 26,600.55 = 5,256.90 : x
  2. Step 2: Convert to fraction form
    17,736.90/26,600.55 = 5,256.90/x
  3. Step 3: Cross multiply
    17,736.90x = 26,600.55 × 5,256.90
  4. Step 4: Simplify right side
    17,736.90x = 139,836,431.30
  5. Step 5: Solve for x
    x = 139,836,431.30/17,736.90
  6. Step 6: Final answer
    x = 7,883.93

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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.