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Finding the Fourth Proportional to 37,215, 55,753.17 and 18,473.70

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Solution

The fourth proportional to 37,215, 55,753.17 and 18,473.70 is: 27,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215 : 55,753.17 = 18,473.70 : x
  2. Step 2: Convert to fraction form
    37,215/55,753.17 = 18,473.70/x
  3. Step 3: Cross multiply
    37,215x = 55,753.17 × 18,473.70
  4. Step 4: Simplify right side
    37,215x = 1,029,967,336.63
  5. Step 5: Solve for x
    x = 1,029,967,336.63/37,215
  6. Step 6: Final answer
    x = 27,676.13

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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.