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Finding the Fourth Proportional to 11,692.26, 17,545.68 and 7,318.26

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Solution

The fourth proportional to 11,692.26, 17,545.68 and 7,318.26 is: 10,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.26 : 17,545.68 = 7,318.26 : x
  2. Step 2: Convert to fraction form
    11,692.26/17,545.68 = 7,318.26/x
  3. Step 3: Cross multiply
    11,692.26x = 17,545.68 × 7,318.26
  4. Step 4: Simplify right side
    11,692.26x = 128,403,848.12
  5. Step 5: Solve for x
    x = 128,403,848.12/11,692.26
  6. Step 6: Final answer
    x = 10,981.95

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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.