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Finding the Fourth Proportional to 62,495.04, 86,242.88 and 34,200.64

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Solution

The fourth proportional to 62,495.04, 86,242.88 and 34,200.64 is: 47,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,495.04 : 86,242.88 = 34,200.64 : x
  2. Step 2: Convert to fraction form
    62,495.04/86,242.88 = 34,200.64/x
  3. Step 3: Cross multiply
    62,495.04x = 86,242.88 × 34,200.64
  4. Step 4: Simplify right side
    62,495.04x = 2,949,561,691.44
  5. Step 5: Solve for x
    x = 2,949,561,691.44/62,495.04
  6. Step 6: Final answer
    x = 47,196.73

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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.