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Finding the Fourth Proportional to 35,692.76, 53,540.02 and 12,000.66

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Solution

The fourth proportional to 35,692.76, 53,540.02 and 12,000.66 is: 18,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,692.76 : 53,540.02 = 12,000.66 : x
  2. Step 2: Convert to fraction form
    35,692.76/53,540.02 = 12,000.66/x
  3. Step 3: Cross multiply
    35,692.76x = 53,540.02 × 12,000.66
  4. Step 4: Simplify right side
    35,692.76x = 642,515,576.41
  5. Step 5: Solve for x
    x = 642,515,576.41/35,692.76
  6. Step 6: Final answer
    x = 18,001.29

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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.