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Finding the Fourth Proportional to 69,928.66, 104,818.29 and 27,750.34

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Solution

The fourth proportional to 69,928.66, 104,818.29 and 27,750.34 is: 41,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,928.66 : 104,818.29 = 27,750.34 : x
  2. Step 2: Convert to fraction form
    69,928.66/104,818.29 = 27,750.34/x
  3. Step 3: Cross multiply
    69,928.66x = 104,818.29 × 27,750.34
  4. Step 4: Simplify right side
    69,928.66x = 2,908,743,185.72
  5. Step 5: Solve for x
    x = 2,908,743,185.72/69,928.66
  6. Step 6: Final answer
    x = 41,595.87

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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.