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Finding the Fourth Proportional to 62,971.50, 86,900.67 and 34,677.12

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Solution

The fourth proportional to 62,971.50, 86,900.67 and 34,677.12 is: 47,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,971.50 : 86,900.67 = 34,677.12 : x
  2. Step 2: Convert to fraction form
    62,971.50/86,900.67 = 34,677.12/x
  3. Step 3: Cross multiply
    62,971.50x = 86,900.67 × 34,677.12
  4. Step 4: Simplify right side
    62,971.50x = 3,013,464,961.67
  5. Step 5: Solve for x
    x = 3,013,464,961.67/62,971.50
  6. Step 6: Final answer
    x = 47,854.43

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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.