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Finding the Fourth Proportional to 61,314.87, 84,622.04 and 34,458.51

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Solution

The fourth proportional to 61,314.87, 84,622.04 and 34,458.51 is: 47,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,314.87 : 84,622.04 = 34,458.51 : x
  2. Step 2: Convert to fraction form
    61,314.87/84,622.04 = 34,458.51/x
  3. Step 3: Cross multiply
    61,314.87x = 84,622.04 × 34,458.51
  4. Step 4: Simplify right side
    61,314.87x = 2,915,949,239.27
  5. Step 5: Solve for x
    x = 2,915,949,239.27/61,314.87
  6. Step 6: Final answer
    x = 47,556.97

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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.