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Finding the Fourth Proportional to 62,854.79, 86,738.34 and 34,175.01

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Solution

The fourth proportional to 62,854.79, 86,738.34 and 34,175.01 is: 47,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,854.79 : 86,738.34 = 34,175.01 : x
  2. Step 2: Convert to fraction form
    62,854.79/86,738.34 = 34,175.01/x
  3. Step 3: Cross multiply
    62,854.79x = 86,738.34 × 34,175.01
  4. Step 4: Simplify right side
    62,854.79x = 2,964,283,636.88
  5. Step 5: Solve for x
    x = 2,964,283,636.88/62,854.79
  6. Step 6: Final answer
    x = 47,160.82

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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.