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Finding the Fourth Proportional to 37,392, 51,600.96 and 20,625

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Solution

The fourth proportional to 37,392, 51,600.96 and 20,625 is: 28,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,392 : 51,600.96 = 20,625 : x
  2. Step 2: Convert to fraction form
    37,392/51,600.96 = 20,625/x
  3. Step 3: Cross multiply
    37,392x = 51,600.96 × 20,625
  4. Step 4: Simplify right side
    37,392x = 1,064,269,800
  5. Step 5: Solve for x
    x = 1,064,269,800/37,392
  6. Step 6: Final answer
    x = 28,462.50

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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.