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Finding the Fourth Proportional to 6,692.57, 10,039.35 and 2,012.21

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Solution

The fourth proportional to 6,692.57, 10,039.35 and 2,012.21 is: 3,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.57 : 10,039.35 = 2,012.21 : x
  2. Step 2: Convert to fraction form
    6,692.57/10,039.35 = 2,012.21/x
  3. Step 3: Cross multiply
    6,692.57x = 10,039.35 × 2,012.21
  4. Step 4: Simplify right side
    6,692.57x = 20,201,280.46
  5. Step 5: Solve for x
    x = 20,201,280.46/6,692.57
  6. Step 6: Final answer
    x = 3,018.46

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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.