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Finding the Fourth Proportional to 32,189.70, 44,424.81 and 18,759.90

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Solution

The fourth proportional to 32,189.70, 44,424.81 and 18,759.90 is: 25,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,189.70 : 44,424.81 = 18,759.90 : x
  2. Step 2: Convert to fraction form
    32,189.70/44,424.81 = 18,759.90/x
  3. Step 3: Cross multiply
    32,189.70x = 44,424.81 × 18,759.90
  4. Step 4: Simplify right side
    32,189.70x = 833,404,993.12
  5. Step 5: Solve for x
    x = 833,404,993.12/32,189.70
  6. Step 6: Final answer
    x = 25,890.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.