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Finding the Fourth Proportional to 62,658.25, 86,468.43 and 34,364.05

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Solution

The fourth proportional to 62,658.25, 86,468.43 and 34,364.05 is: 47,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,658.25 : 86,468.43 = 34,364.05 : x
  2. Step 2: Convert to fraction form
    62,658.25/86,468.43 = 34,364.05/x
  3. Step 3: Cross multiply
    62,658.25x = 86,468.43 × 34,364.05
  4. Step 4: Simplify right side
    62,658.25x = 2,971,405,451.94
  5. Step 5: Solve for x
    x = 2,971,405,451.94/62,658.25
  6. Step 6: Final answer
    x = 47,422.41

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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.