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Finding the Fourth Proportional to 44,153.85, 66,230.84 and 20,448.48

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Solution

The fourth proportional to 44,153.85, 66,230.84 and 20,448.48 is: 30,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,153.85 : 66,230.84 = 20,448.48 : x
  2. Step 2: Convert to fraction form
    44,153.85/66,230.84 = 20,448.48/x
  3. Step 3: Cross multiply
    44,153.85x = 66,230.84 × 20,448.48
  4. Step 4: Simplify right side
    44,153.85x = 1,354,320,007.12
  5. Step 5: Solve for x
    x = 1,354,320,007.12/44,153.85
  6. Step 6: Final answer
    x = 30,672.75

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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.