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Finding the Fourth Proportional to 37,722.70, 56,809.72 and 34,359.73

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Solution

The fourth proportional to 37,722.70, 56,809.72 and 34,359.73 is: 51,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,722.70 : 56,809.72 = 34,359.73 : x
  2. Step 2: Convert to fraction form
    37,722.70/56,809.72 = 34,359.73/x
  3. Step 3: Cross multiply
    37,722.70x = 56,809.72 × 34,359.73
  4. Step 4: Simplify right side
    37,722.70x = 1,951,966,726.47
  5. Step 5: Solve for x
    x = 1,951,966,726.47/37,722.70
  6. Step 6: Final answer
    x = 51,745.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.