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Finding the Fourth Proportional to 66,692.37, 100,038.63 and 27,249.48

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Solution

The fourth proportional to 66,692.37, 100,038.63 and 27,249.48 is: 40,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,692.37 : 100,038.63 = 27,249.48 : x
  2. Step 2: Convert to fraction form
    66,692.37/100,038.63 = 27,249.48/x
  3. Step 3: Cross multiply
    66,692.37x = 100,038.63 × 27,249.48
  4. Step 4: Simplify right side
    66,692.37x = 2,726,000,647.41
  5. Step 5: Solve for x
    x = 2,726,000,647.41/66,692.37
  6. Step 6: Final answer
    x = 40,874.25

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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.