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Finding the Fourth Proportional to 41,683.80, 62,526.81 and 13,605.56

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Solution

The fourth proportional to 41,683.80, 62,526.81 and 13,605.56 is: 20,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,683.80 : 62,526.81 = 13,605.56 : x
  2. Step 2: Convert to fraction form
    41,683.80/62,526.81 = 13,605.56/x
  3. Step 3: Cross multiply
    41,683.80x = 62,526.81 × 13,605.56
  4. Step 4: Simplify right side
    41,683.80x = 850,711,952.43
  5. Step 5: Solve for x
    x = 850,711,952.43/41,683.80
  6. Step 6: Final answer
    x = 20,408.69

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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.