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Finding the Fourth Proportional to 18,054, 27,071.10 and 5,570.56

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Solution

The fourth proportional to 18,054, 27,071.10 and 5,570.56 is: 8,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054 : 27,071.10 = 5,570.56 : x
  2. Step 2: Convert to fraction form
    18,054/27,071.10 = 5,570.56/x
  3. Step 3: Cross multiply
    18,054x = 27,071.10 × 5,570.56
  4. Step 4: Simplify right side
    18,054x = 150,801,186.82
  5. Step 5: Solve for x
    x = 150,801,186.82/18,054
  6. Step 6: Final answer
    x = 8,352.79

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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.