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Finding the Fourth Proportional to 65,801.96, 98,692.44 and 18,411.95

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Solution

The fourth proportional to 65,801.96, 98,692.44 and 18,411.95 is: 27,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801.96 : 98,692.44 = 18,411.95 : x
  2. Step 2: Convert to fraction form
    65,801.96/98,692.44 = 18,411.95/x
  3. Step 3: Cross multiply
    65,801.96x = 98,692.44 × 18,411.95
  4. Step 4: Simplify right side
    65,801.96x = 1,817,119,777.20
  5. Step 5: Solve for x
    x = 1,817,119,777.20/65,801.96
  6. Step 6: Final answer
    x = 27,614.98

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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.