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Finding the Fourth Proportional to 37,274.54, 55,899.90 and 12,309.93

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Solution

The fourth proportional to 37,274.54, 55,899.90 and 12,309.93 is: 18,460.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,274.54 : 55,899.90 = 12,309.93 : x
  2. Step 2: Convert to fraction form
    37,274.54/55,899.90 = 12,309.93/x
  3. Step 3: Cross multiply
    37,274.54x = 55,899.90 × 12,309.93
  4. Step 4: Simplify right side
    37,274.54x = 688,123,856.01
  5. Step 5: Solve for x
    x = 688,123,856.01/37,274.54
  6. Step 6: Final answer
    x = 18,460.96

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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.