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Finding the Fourth Proportional to 37,601.90, 56,404.52 and 20,949.30

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Solution

The fourth proportional to 37,601.90, 56,404.52 and 20,949.30 is: 31,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,601.90 : 56,404.52 = 20,949.30 : x
  2. Step 2: Convert to fraction form
    37,601.90/56,404.52 = 20,949.30/x
  3. Step 3: Cross multiply
    37,601.90x = 56,404.52 × 20,949.30
  4. Step 4: Simplify right side
    37,601.90x = 1,181,635,210.84
  5. Step 5: Solve for x
    x = 1,181,635,210.84/37,601.90
  6. Step 6: Final answer
    x = 31,424.88

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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.