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Finding the Fourth Proportional to 63,461.97, 87,483.87 and 50,006.43

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Solution

The fourth proportional to 63,461.97, 87,483.87 and 50,006.43 is: 68,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,461.97 : 87,483.87 = 50,006.43 : x
  2. Step 2: Convert to fraction form
    63,461.97/87,483.87 = 50,006.43/x
  3. Step 3: Cross multiply
    63,461.97x = 87,483.87 × 50,006.43
  4. Step 4: Simplify right side
    63,461.97x = 4,374,756,021.28
  5. Step 5: Solve for x
    x = 4,374,756,021.28/63,461.97
  6. Step 6: Final answer
    x = 68,935.08

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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.