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Finding the Fourth Proportional to 67,879.40, 101,819.10 and 44,532.20

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Solution

The fourth proportional to 67,879.40, 101,819.10 and 44,532.20 is: 66,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,879.40 : 101,819.10 = 44,532.20 : x
  2. Step 2: Convert to fraction form
    67,879.40/101,819.10 = 44,532.20/x
  3. Step 3: Cross multiply
    67,879.40x = 101,819.10 × 44,532.20
  4. Step 4: Simplify right side
    67,879.40x = 4,534,228,525.02
  5. Step 5: Solve for x
    x = 4,534,228,525.02/67,879.40
  6. Step 6: Final answer
    x = 66,798.30

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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.