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Finding the Fourth Proportional to 62,209.63, 85,822.21 and 39,536.47

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Solution

The fourth proportional to 62,209.63, 85,822.21 and 39,536.47 is: 54,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,209.63 : 85,822.21 = 39,536.47 : x
  2. Step 2: Convert to fraction form
    62,209.63/85,822.21 = 39,536.47/x
  3. Step 3: Cross multiply
    62,209.63x = 85,822.21 × 39,536.47
  4. Step 4: Simplify right side
    62,209.63x = 3,393,107,231.00
  5. Step 5: Solve for x
    x = 3,393,107,231.00/62,209.63
  6. Step 6: Final answer
    x = 54,543.12

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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.