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Finding the Fourth Proportional to 41,379.70, 62,069.55 and 21,664.30

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Solution

The fourth proportional to 41,379.70, 62,069.55 and 21,664.30 is: 32,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,379.70 : 62,069.55 = 21,664.30 : x
  2. Step 2: Convert to fraction form
    41,379.70/62,069.55 = 21,664.30/x
  3. Step 3: Cross multiply
    41,379.70x = 62,069.55 × 21,664.30
  4. Step 4: Simplify right side
    41,379.70x = 1,344,693,352.07
  5. Step 5: Solve for x
    x = 1,344,693,352.07/41,379.70
  6. Step 6: Final answer
    x = 32,496.45

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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.