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Finding the Fourth Proportional to 62,765.34, 86,620.41 and 34,471.32

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Solution

The fourth proportional to 62,765.34, 86,620.41 and 34,471.32 is: 47,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,765.34 : 86,620.41 = 34,471.32 : x
  2. Step 2: Convert to fraction form
    62,765.34/86,620.41 = 34,471.32/x
  3. Step 3: Cross multiply
    62,765.34x = 86,620.41 × 34,471.32
  4. Step 4: Simplify right side
    62,765.34x = 2,985,919,871.64
  5. Step 5: Solve for x
    x = 2,985,919,871.64/62,765.34
  6. Step 6: Final answer
    x = 47,572.75

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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.