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Finding the Fourth Proportional to 55,644.87, 83,471.13 and 22,364.96

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Solution

The fourth proportional to 55,644.87, 83,471.13 and 22,364.96 is: 33,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.87 : 83,471.13 = 22,364.96 : x
  2. Step 2: Convert to fraction form
    55,644.87/83,471.13 = 22,364.96/x
  3. Step 3: Cross multiply
    55,644.87x = 83,471.13 × 22,364.96
  4. Step 4: Simplify right side
    55,644.87x = 1,866,828,692.28
  5. Step 5: Solve for x
    x = 1,866,828,692.28/55,644.87
  6. Step 6: Final answer
    x = 33,548.98

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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.