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Finding the Fourth Proportional to 67,339.45, 101,008.57 and 25,786.45

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Solution

The fourth proportional to 67,339.45, 101,008.57 and 25,786.45 is: 38,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,339.45 : 101,008.57 = 25,786.45 : x
  2. Step 2: Convert to fraction form
    67,339.45/101,008.57 = 25,786.45/x
  3. Step 3: Cross multiply
    67,339.45x = 101,008.57 × 25,786.45
  4. Step 4: Simplify right side
    67,339.45x = 2,604,652,550.02
  5. Step 5: Solve for x
    x = 2,604,652,550.02/67,339.45
  6. Step 6: Final answer
    x = 38,679.44

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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.