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Finding the Fourth Proportional to 58,122.60, 86,982.30 and 34,765.80

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Solution

The fourth proportional to 58,122.60, 86,982.30 and 34,765.80 is: 52,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,122.60 : 86,982.30 = 34,765.80 : x
  2. Step 2: Convert to fraction form
    58,122.60/86,982.30 = 34,765.80/x
  3. Step 3: Cross multiply
    58,122.60x = 86,982.30 × 34,765.80
  4. Step 4: Simplify right side
    58,122.60x = 3,024,009,245.34
  5. Step 5: Solve for x
    x = 3,024,009,245.34/58,122.60
  6. Step 6: Final answer
    x = 52,028.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.