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Finding the Fourth Proportional to 26,692.20, 40,038.30 and 25,266.60

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Solution

The fourth proportional to 26,692.20, 40,038.30 and 25,266.60 is: 37,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,692.20 : 40,038.30 = 25,266.60 : x
  2. Step 2: Convert to fraction form
    26,692.20/40,038.30 = 25,266.60/x
  3. Step 3: Cross multiply
    26,692.20x = 40,038.30 × 25,266.60
  4. Step 4: Simplify right side
    26,692.20x = 1,011,631,710.78
  5. Step 5: Solve for x
    x = 1,011,631,710.78/26,692.20
  6. Step 6: Final answer
    x = 37,899.90

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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.