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Finding the Fourth Proportional to 62,611.84, 86,404.16 and 34,317.44

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Solution

The fourth proportional to 62,611.84, 86,404.16 and 34,317.44 is: 47,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,611.84 : 86,404.16 = 34,317.44 : x
  2. Step 2: Convert to fraction form
    62,611.84/86,404.16 = 34,317.44/x
  3. Step 3: Cross multiply
    62,611.84x = 86,404.16 × 34,317.44
  4. Step 4: Simplify right side
    62,611.84x = 2,965,169,576.55
  5. Step 5: Solve for x
    x = 2,965,169,576.55/62,611.84
  6. Step 6: Final answer
    x = 47,357.97

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1.5x scale

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.