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Finding the Fourth Proportional to 63,600, 87,768 and 37,104

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Solution

The fourth proportional to 63,600, 87,768 and 37,104 is: 51,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,600 : 87,768 = 37,104 : x
  2. Step 2: Convert to fraction form
    63,600/87,768 = 37,104/x
  3. Step 3: Cross multiply
    63,600x = 87,768 × 37,104
  4. Step 4: Simplify right side
    63,600x = 3,256,543,872
  5. Step 5: Solve for x
    x = 3,256,543,872/63,600
  6. Step 6: Final answer
    x = 51,203.52

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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.