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Finding the Fourth Proportional to 37,963.91, 56,945.87 and 11,310.30

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Solution

The fourth proportional to 37,963.91, 56,945.87 and 11,310.30 is: 16,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,963.91 : 56,945.87 = 11,310.30 : x
  2. Step 2: Convert to fraction form
    37,963.91/56,945.87 = 11,310.30/x
  3. Step 3: Cross multiply
    37,963.91x = 56,945.87 × 11,310.30
  4. Step 4: Simplify right side
    37,963.91x = 644,074,873.46
  5. Step 5: Solve for x
    x = 644,074,873.46/37,963.91
  6. Step 6: Final answer
    x = 16,965.45

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Similar ratio
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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.