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Finding the Fourth Proportional to 62,807.83, 86,673.83 and 34,512.91

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Solution

The fourth proportional to 62,807.83, 86,673.83 and 34,512.91 is: 47,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,807.83 : 86,673.83 = 34,512.91 : x
  2. Step 2: Convert to fraction form
    62,807.83/86,673.83 = 34,512.91/x
  3. Step 3: Cross multiply
    62,807.83x = 86,673.83 × 34,512.91
  4. Step 4: Simplify right side
    62,807.83x = 2,991,365,921.58
  5. Step 5: Solve for x
    x = 2,991,365,921.58/62,807.83
  6. Step 6: Final answer
    x = 47,627.28

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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.