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Finding the Fourth Proportional to 55,655.34, 83,486.87 and 22,375.41

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Solution

The fourth proportional to 55,655.34, 83,486.87 and 22,375.41 is: 33,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655.34 : 83,486.87 = 22,375.41 : x
  2. Step 2: Convert to fraction form
    55,655.34/83,486.87 = 22,375.41/x
  3. Step 3: Cross multiply
    55,655.34x = 83,486.87 × 22,375.41
  4. Step 4: Simplify right side
    55,655.34x = 1,868,052,833.99
  5. Step 5: Solve for x
    x = 1,868,052,833.99/55,655.34
  6. Step 6: Final answer
    x = 33,564.66

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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.