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Finding the Fourth Proportional to 62,578.54, 86,357.22 and 34,284.02

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Solution

The fourth proportional to 62,578.54, 86,357.22 and 34,284.02 is: 47,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,578.54 : 86,357.22 = 34,284.02 : x
  2. Step 2: Convert to fraction form
    62,578.54/86,357.22 = 34,284.02/x
  3. Step 3: Cross multiply
    62,578.54x = 86,357.22 × 34,284.02
  4. Step 4: Simplify right side
    62,578.54x = 2,960,672,657.62
  5. Step 5: Solve for x
    x = 2,960,672,657.62/62,578.54
  6. Step 6: Final answer
    x = 47,311.31

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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.