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Finding the Fourth Proportional to 65,235.44, 97,869.56 and 18,488.31

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Solution

The fourth proportional to 65,235.44, 97,869.56 and 18,488.31 is: 27,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,235.44 : 97,869.56 = 18,488.31 : x
  2. Step 2: Convert to fraction form
    65,235.44/97,869.56 = 18,488.31/x
  3. Step 3: Cross multiply
    65,235.44x = 97,869.56 × 18,488.31
  4. Step 4: Simplify right side
    65,235.44x = 1,809,442,764.84
  5. Step 5: Solve for x
    x = 1,809,442,764.84/65,235.44
  6. Step 6: Final answer
    x = 27,737.11

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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.