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Finding the Fourth Proportional to 61,963.14, 92,819.97 and 28,637.31

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Solution

The fourth proportional to 61,963.14, 92,819.97 and 28,637.31 is: 42,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.14 : 92,819.97 = 28,637.31 : x
  2. Step 2: Convert to fraction form
    61,963.14/92,819.97 = 28,637.31/x
  3. Step 3: Cross multiply
    61,963.14x = 92,819.97 × 28,637.31
  4. Step 4: Simplify right side
    61,963.14x = 2,658,114,255.08
  5. Step 5: Solve for x
    x = 2,658,114,255.08/61,963.14
  6. Step 6: Final answer
    x = 42,898.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.