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Finding the Fourth Proportional to 17,692.74, 26,545.49 and 8,921.05

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Solution

The fourth proportional to 17,692.74, 26,545.49 and 8,921.05 is: 13,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,692.74 : 26,545.49 = 8,921.05 : x
  2. Step 2: Convert to fraction form
    17,692.74/26,545.49 = 8,921.05/x
  3. Step 3: Cross multiply
    17,692.74x = 26,545.49 × 8,921.05
  4. Step 4: Simplify right side
    17,692.74x = 236,813,599.50
  5. Step 5: Solve for x
    x = 236,813,599.50/17,692.74
  6. Step 6: Final answer
    x = 13,384.79

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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.