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Finding the Fourth Proportional to 44,604.38, 66,932.48 and 19,980.38

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Solution

The fourth proportional to 44,604.38, 66,932.48 and 19,980.38 is: 29,982.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,604.38 : 66,932.48 = 19,980.38 : x
  2. Step 2: Convert to fraction form
    44,604.38/66,932.48 = 19,980.38/x
  3. Step 3: Cross multiply
    44,604.38x = 66,932.48 × 19,980.38
  4. Step 4: Simplify right side
    44,604.38x = 1,337,336,100.03
  5. Step 5: Solve for x
    x = 1,337,336,100.03/44,604.38
  6. Step 6: Final answer
    x = 29,982.17

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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.