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Finding the Fourth Proportional to 17,600.20, 26,400.47 and 6,927.64

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Solution

The fourth proportional to 17,600.20, 26,400.47 and 6,927.64 is: 10,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,600.20 : 26,400.47 = 6,927.64 : x
  2. Step 2: Convert to fraction form
    17,600.20/26,400.47 = 6,927.64/x
  3. Step 3: Cross multiply
    17,600.20x = 26,400.47 × 6,927.64
  4. Step 4: Simplify right side
    17,600.20x = 182,892,851.35
  5. Step 5: Solve for x
    x = 182,892,851.35/17,600.20
  6. Step 6: Final answer
    x = 10,391.52

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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.