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Finding the Fourth Proportional to 65,692.99, 98,658.27 and 60,689.97

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Solution

The fourth proportional to 65,692.99, 98,658.27 and 60,689.97 is: 91,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,692.99 : 98,658.27 = 60,689.97 : x
  2. Step 2: Convert to fraction form
    65,692.99/98,658.27 = 60,689.97/x
  3. Step 3: Cross multiply
    65,692.99x = 98,658.27 × 60,689.97
  4. Step 4: Simplify right side
    65,692.99x = 5,987,567,143.10
  5. Step 5: Solve for x
    x = 5,987,567,143.10/65,692.99
  6. Step 6: Final answer
    x = 91,144.70

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1.5x scale

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.