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Finding the Fourth Proportional to 17,881.56, 26,823.90 and 7,352.22

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Solution

The fourth proportional to 17,881.56, 26,823.90 and 7,352.22 is: 11,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.56 : 26,823.90 = 7,352.22 : x
  2. Step 2: Convert to fraction form
    17,881.56/26,823.90 = 7,352.22/x
  3. Step 3: Cross multiply
    17,881.56x = 26,823.90 × 7,352.22
  4. Step 4: Simplify right side
    17,881.56x = 197,215,214.06
  5. Step 5: Solve for x
    x = 197,215,214.06/17,881.56
  6. Step 6: Final answer
    x = 11,028.97

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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.