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Finding the Fourth Proportional to 65,761.56, 98,658.74 and 19,014.44

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Solution

The fourth proportional to 65,761.56, 98,658.74 and 19,014.44 is: 28,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,761.56 : 98,658.74 = 19,014.44 : x
  2. Step 2: Convert to fraction form
    65,761.56/98,658.74 = 19,014.44/x
  3. Step 3: Cross multiply
    65,761.56x = 98,658.74 × 19,014.44
  4. Step 4: Simplify right side
    65,761.56x = 1,875,940,103.84
  5. Step 5: Solve for x
    x = 1,875,940,103.84/65,761.56
  6. Step 6: Final answer
    x = 28,526.39

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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.