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Finding the Fourth Proportional to 62,908.88, 86,814.86 and 34,615.17

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Solution

The fourth proportional to 62,908.88, 86,814.86 and 34,615.17 is: 47,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,908.88 : 86,814.86 = 34,615.17 : x
  2. Step 2: Convert to fraction form
    62,908.88/86,814.86 = 34,615.17/x
  3. Step 3: Cross multiply
    62,908.88x = 86,814.86 × 34,615.17
  4. Step 4: Simplify right side
    62,908.88x = 3,005,110,964.35
  5. Step 5: Solve for x
    x = 3,005,110,964.35/62,908.88
  6. Step 6: Final answer
    x = 47,769.27

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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.