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Finding the Fourth Proportional to 8,537.17, 12,804.13 and 2,692.21

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Solution

The fourth proportional to 8,537.17, 12,804.13 and 2,692.21 is: 4,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.17 : 12,804.13 = 2,692.21 : x
  2. Step 2: Convert to fraction form
    8,537.17/12,804.13 = 2,692.21/x
  3. Step 3: Cross multiply
    8,537.17x = 12,804.13 × 2,692.21
  4. Step 4: Simplify right side
    8,537.17x = 34,471,406.83
  5. Step 5: Solve for x
    x = 34,471,406.83/8,537.17
  6. Step 6: Final answer
    x = 4,037.80

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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.