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Finding the Fourth Proportional to 62,851.24, 86,731.02 and 34,556.92

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Solution

The fourth proportional to 62,851.24, 86,731.02 and 34,556.92 is: 47,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,851.24 : 86,731.02 = 34,556.92 : x
  2. Step 2: Convert to fraction form
    62,851.24/86,731.02 = 34,556.92/x
  3. Step 3: Cross multiply
    62,851.24x = 86,731.02 × 34,556.92
  4. Step 4: Simplify right side
    62,851.24x = 2,997,156,919.66
  5. Step 5: Solve for x
    x = 2,997,156,919.66/62,851.24
  6. Step 6: Final answer
    x = 47,686.52

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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.