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Finding the Fourth Proportional to 67,633.60, 101,472.04 and 28,194.88

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Solution

The fourth proportional to 67,633.60, 101,472.04 and 28,194.88 is: 42,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,633.60 : 101,472.04 = 28,194.88 : x
  2. Step 2: Convert to fraction form
    67,633.60/101,472.04 = 28,194.88/x
  3. Step 3: Cross multiply
    67,633.60x = 101,472.04 × 28,194.88
  4. Step 4: Simplify right side
    67,633.60x = 2,860,991,991.16
  5. Step 5: Solve for x
    x = 2,860,991,991.16/67,633.60
  6. Step 6: Final answer
    x = 42,301.34

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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.