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Finding the Fourth Proportional to 69,620.99, 96,077.05 and 37,789.88

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Solution

The fourth proportional to 69,620.99, 96,077.05 and 37,789.88 is: 52,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,620.99 : 96,077.05 = 37,789.88 : x
  2. Step 2: Convert to fraction form
    69,620.99/96,077.05 = 37,789.88/x
  3. Step 3: Cross multiply
    69,620.99x = 96,077.05 × 37,789.88
  4. Step 4: Simplify right side
    69,620.99x = 3,630,740,190.25
  5. Step 5: Solve for x
    x = 3,630,740,190.25/69,620.99
  6. Step 6: Final answer
    x = 52,150.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.