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Finding the Fourth Proportional to 62,857.80, 86,741.52 and 34,563.24

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Solution

The fourth proportional to 62,857.80, 86,741.52 and 34,563.24 is: 47,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,857.80 : 86,741.52 = 34,563.24 : x
  2. Step 2: Convert to fraction form
    62,857.80/86,741.52 = 34,563.24/x
  3. Step 3: Cross multiply
    62,857.80x = 86,741.52 × 34,563.24
  4. Step 4: Simplify right side
    62,857.80x = 2,998,067,973.72
  5. Step 5: Solve for x
    x = 2,998,067,973.72/62,857.80
  6. Step 6: Final answer
    x = 47,696.04

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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.