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Finding the Fourth Proportional to 37,049.94, 51,128.92 and 20,282.94

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Solution

The fourth proportional to 37,049.94, 51,128.92 and 20,282.94 is: 27,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,049.94 : 51,128.92 = 20,282.94 : x
  2. Step 2: Convert to fraction form
    37,049.94/51,128.92 = 20,282.94/x
  3. Step 3: Cross multiply
    37,049.94x = 51,128.92 × 20,282.94
  4. Step 4: Simplify right side
    37,049.94x = 1,037,044,995.15
  5. Step 5: Solve for x
    x = 1,037,044,995.15/37,049.94
  6. Step 6: Final answer
    x = 27,990.46

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Double scale
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Similar ratio
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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.