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Finding the Fourth Proportional to 40,471.59, 60,692.81 and 17,099.85

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Solution

The fourth proportional to 40,471.59, 60,692.81 and 17,099.85 is: 25,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,471.59 : 60,692.81 = 17,099.85 : x
  2. Step 2: Convert to fraction form
    40,471.59/60,692.81 = 17,099.85/x
  3. Step 3: Cross multiply
    40,471.59x = 60,692.81 × 17,099.85
  4. Step 4: Simplify right side
    40,471.59x = 1,037,837,947.08
  5. Step 5: Solve for x
    x = 1,037,837,947.08/40,471.59
  6. Step 6: Final answer
    x = 25,643.62

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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.