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Finding the Fourth Proportional to 37,356, 51,552.36 and 20,590.08

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Solution

The fourth proportional to 37,356, 51,552.36 and 20,590.08 is: 28,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,356 : 51,552.36 = 20,590.08 : x
  2. Step 2: Convert to fraction form
    37,356/51,552.36 = 20,590.08/x
  3. Step 3: Cross multiply
    37,356x = 51,552.36 × 20,590.08
  4. Step 4: Simplify right side
    37,356x = 1,061,467,216.59
  5. Step 5: Solve for x
    x = 1,061,467,216.59/37,356
  6. Step 6: Final answer
    x = 28,414.91

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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.