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Finding the Fourth Proportional to 8,692.04, 13,039.92 and 3,497.92

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Solution

The fourth proportional to 8,692.04, 13,039.92 and 3,497.92 is: 5,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.04 : 13,039.92 = 3,497.92 : x
  2. Step 2: Convert to fraction form
    8,692.04/13,039.92 = 3,497.92/x
  3. Step 3: Cross multiply
    8,692.04x = 13,039.92 × 3,497.92
  4. Step 4: Simplify right side
    8,692.04x = 45,612,564.37
  5. Step 5: Solve for x
    x = 45,612,564.37/8,692.04
  6. Step 6: Final answer
    x = 5,247.62

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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.