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Finding the Fourth Proportional to 59,235.80, 88,822.50 and 21,786.20

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Solution

The fourth proportional to 59,235.80, 88,822.50 and 21,786.20 is: 32,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,235.80 : 88,822.50 = 21,786.20 : x
  2. Step 2: Convert to fraction form
    59,235.80/88,822.50 = 21,786.20/x
  3. Step 3: Cross multiply
    59,235.80x = 88,822.50 × 21,786.20
  4. Step 4: Simplify right side
    59,235.80x = 1,935,104,749.50
  5. Step 5: Solve for x
    x = 1,935,104,749.50/59,235.80
  6. Step 6: Final answer
    x = 32,667.83

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