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Finding the Fourth Proportional to 62,630.66, 86,430.29 and 34,335.74

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Solution

The fourth proportional to 62,630.66, 86,430.29 and 34,335.74 is: 47,383.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,630.66 : 86,430.29 = 34,335.74 : x
  2. Step 2: Convert to fraction form
    62,630.66/86,430.29 = 34,335.74/x
  3. Step 3: Cross multiply
    62,630.66x = 86,430.29 × 34,335.74
  4. Step 4: Simplify right side
    62,630.66x = 2,967,647,965.56
  5. Step 5: Solve for x
    x = 2,967,647,965.56/62,630.66
  6. Step 6: Final answer
    x = 47,383.31

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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.