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Finding the Fourth Proportional to 17,900.27, 26,840.11 and 7,377.55

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Solution

The fourth proportional to 17,900.27, 26,840.11 and 7,377.55 is: 11,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.27 : 26,840.11 = 7,377.55 : x
  2. Step 2: Convert to fraction form
    17,900.27/26,840.11 = 7,377.55/x
  3. Step 3: Cross multiply
    17,900.27x = 26,840.11 × 7,377.55
  4. Step 4: Simplify right side
    17,900.27x = 198,014,253.53
  5. Step 5: Solve for x
    x = 198,014,253.53/17,900.27
  6. Step 6: Final answer
    x = 11,062.09

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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.