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Finding the Fourth Proportional to 62,602.74, 86,393.99 and 34,308.43

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Solution

The fourth proportional to 62,602.74, 86,393.99 and 34,308.43 is: 47,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,602.74 : 86,393.99 = 34,308.43 : x
  2. Step 2: Convert to fraction form
    62,602.74/86,393.99 = 34,308.43/x
  3. Step 3: Cross multiply
    62,602.74x = 86,393.99 × 34,308.43
  4. Step 4: Simplify right side
    62,602.74x = 2,964,042,028.12
  5. Step 5: Solve for x
    x = 2,964,042,028.12/62,602.74
  6. Step 6: Final answer
    x = 47,346.84

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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.