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Finding the Fourth Proportional to 44,604.40, 66,829.80 and 21,180.40

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Solution

The fourth proportional to 44,604.40, 66,829.80 and 21,180.40 is: 31,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,604.40 : 66,829.80 = 21,180.40 : x
  2. Step 2: Convert to fraction form
    44,604.40/66,829.80 = 21,180.40/x
  3. Step 3: Cross multiply
    44,604.40x = 66,829.80 × 21,180.40
  4. Step 4: Simplify right side
    44,604.40x = 1,415,481,895.92
  5. Step 5: Solve for x
    x = 1,415,481,895.92/44,604.40
  6. Step 6: Final answer
    x = 31,734.13

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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.