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Finding the Fourth Proportional to 37,494.72, 51,747.08 and 21,367.87

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Solution

The fourth proportional to 37,494.72, 51,747.08 and 21,367.87 is: 29,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,494.72 : 51,747.08 = 21,367.87 : x
  2. Step 2: Convert to fraction form
    37,494.72/51,747.08 = 21,367.87/x
  3. Step 3: Cross multiply
    37,494.72x = 51,747.08 × 21,367.87
  4. Step 4: Simplify right side
    37,494.72x = 1,105,724,642.11
  5. Step 5: Solve for x
    x = 1,105,724,642.11/37,494.72
  6. Step 6: Final answer
    x = 29,490.14

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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.