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Finding the Fourth Proportional to 44,003.80, 66,015.42 and 21,829.24

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Solution

The fourth proportional to 44,003.80, 66,015.42 and 21,829.24 is: 32,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,003.80 : 66,015.42 = 21,829.24 : x
  2. Step 2: Convert to fraction form
    44,003.80/66,015.42 = 21,829.24/x
  3. Step 3: Cross multiply
    44,003.80x = 66,015.42 × 21,829.24
  4. Step 4: Simplify right side
    44,003.80x = 1,441,066,446.88
  5. Step 5: Solve for x
    x = 1,441,066,446.88/44,003.80
  6. Step 6: Final answer
    x = 32,748.68

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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.