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Finding the Fourth Proportional to 55,375.70, 83,005.22 and 27,615.38

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Solution

The fourth proportional to 55,375.70, 83,005.22 and 27,615.38 is: 41,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,375.70 : 83,005.22 = 27,615.38 : x
  2. Step 2: Convert to fraction form
    55,375.70/83,005.22 = 27,615.38/x
  3. Step 3: Cross multiply
    55,375.70x = 83,005.22 × 27,615.38
  4. Step 4: Simplify right side
    55,375.70x = 2,292,220,692.28
  5. Step 5: Solve for x
    x = 2,292,220,692.28/55,375.70
  6. Step 6: Final answer
    x = 41,393.98

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1.5x scale

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.