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Finding the Fourth Proportional to 62,397.84, 86,109.66 and 34,104

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Solution

The fourth proportional to 62,397.84, 86,109.66 and 34,104 is: 47,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,397.84 : 86,109.66 = 34,104 : x
  2. Step 2: Convert to fraction form
    62,397.84/86,109.66 = 34,104/x
  3. Step 3: Cross multiply
    62,397.84x = 86,109.66 × 34,104
  4. Step 4: Simplify right side
    62,397.84x = 2,936,683,844.64
  5. Step 5: Solve for x
    x = 2,936,683,844.64/62,397.84
  6. Step 6: Final answer
    x = 47,063.87

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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.