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Finding the Fourth Proportional to 37,377, 51,575.22 and 21,458.52

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Solution

The fourth proportional to 37,377, 51,575.22 and 21,458.52 is: 29,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,377 : 51,575.22 = 21,458.52 : x
  2. Step 2: Convert to fraction form
    37,377/51,575.22 = 21,458.52/x
  3. Step 3: Cross multiply
    37,377x = 51,575.22 × 21,458.52
  4. Step 4: Simplify right side
    37,377x = 1,106,727,889.87
  5. Step 5: Solve for x
    x = 1,106,727,889.87/37,377
  6. Step 6: Final answer
    x = 29,609.86

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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.