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Finding the Fourth Proportional to 37,704, 52,031.52 and 20,937

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Solution

The fourth proportional to 37,704, 52,031.52 and 20,937 is: 28,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,704 : 52,031.52 = 20,937 : x
  2. Step 2: Convert to fraction form
    37,704/52,031.52 = 20,937/x
  3. Step 3: Cross multiply
    37,704x = 52,031.52 × 20,937
  4. Step 4: Simplify right side
    37,704x = 1,089,383,934.24
  5. Step 5: Solve for x
    x = 1,089,383,934.24/37,704
  6. Step 6: Final answer
    x = 28,893.06

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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.