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Finding the Fourth Proportional to 18,254.78, 27,365.76 and 6,559.82

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Solution

The fourth proportional to 18,254.78, 27,365.76 and 6,559.82 is: 9,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.78 : 27,365.76 = 6,559.82 : x
  2. Step 2: Convert to fraction form
    18,254.78/27,365.76 = 6,559.82/x
  3. Step 3: Cross multiply
    18,254.78x = 27,365.76 × 6,559.82
  4. Step 4: Simplify right side
    18,254.78x = 179,514,459.76
  5. Step 5: Solve for x
    x = 179,514,459.76/18,254.78
  6. Step 6: Final answer
    x = 9,833.83

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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.