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Finding the Fourth Proportional to 69,054.52, 103,595.14 and 26,932.90

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Solution

The fourth proportional to 69,054.52, 103,595.14 and 26,932.90 is: 40,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,054.52 : 103,595.14 = 26,932.90 : x
  2. Step 2: Convert to fraction form
    69,054.52/103,595.14 = 26,932.90/x
  3. Step 3: Cross multiply
    69,054.52x = 103,595.14 × 26,932.90
  4. Step 4: Simplify right side
    69,054.52x = 2,790,117,546.11
  5. Step 5: Solve for x
    x = 2,790,117,546.11/69,054.52
  6. Step 6: Final answer
    x = 40,404.56

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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.