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Finding the Fourth Proportional to 44,502.87, 66,745.80 and 13,338.12

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Solution

The fourth proportional to 44,502.87, 66,745.80 and 13,338.12 is: 20,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,502.87 : 66,745.80 = 13,338.12 : x
  2. Step 2: Convert to fraction form
    44,502.87/66,745.80 = 13,338.12/x
  3. Step 3: Cross multiply
    44,502.87x = 66,745.80 × 13,338.12
  4. Step 4: Simplify right side
    44,502.87x = 890,263,489.90
  5. Step 5: Solve for x
    x = 890,263,489.90/44,502.87
  6. Step 6: Final answer
    x = 20,004.63

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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.