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Finding the Fourth Proportional to 62,646.54, 86,454.72 and 34,353.24

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Solution

The fourth proportional to 62,646.54, 86,454.72 and 34,353.24 is: 47,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,646.54 : 86,454.72 = 34,353.24 : x
  2. Step 2: Convert to fraction form
    62,646.54/86,454.72 = 34,353.24/x
  3. Step 3: Cross multiply
    62,646.54x = 86,454.72 × 34,353.24
  4. Step 4: Simplify right side
    62,646.54x = 2,969,999,745.29
  5. Step 5: Solve for x
    x = 2,969,999,745.29/62,646.54
  6. Step 6: Final answer
    x = 47,408.84

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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.