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Finding the Fourth Proportional to 62,977.84, 86,909.49 and 34,297.54

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Solution

The fourth proportional to 62,977.84, 86,909.49 and 34,297.54 is: 47,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,977.84 : 86,909.49 = 34,297.54 : x
  2. Step 2: Convert to fraction form
    62,977.84/86,909.49 = 34,297.54/x
  3. Step 3: Cross multiply
    62,977.84x = 86,909.49 × 34,297.54
  4. Step 4: Simplify right side
    62,977.84x = 2,980,781,709.65
  5. Step 5: Solve for x
    x = 2,980,781,709.65/62,977.84
  6. Step 6: Final answer
    x = 47,330.64

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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.