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Finding the Fourth Proportional to 44,571.52, 66,849.60 and 13,398.40

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Solution

The fourth proportional to 44,571.52, 66,849.60 and 13,398.40 is: 20,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,571.52 : 66,849.60 = 13,398.40 : x
  2. Step 2: Convert to fraction form
    44,571.52/66,849.60 = 13,398.40/x
  3. Step 3: Cross multiply
    44,571.52x = 66,849.60 × 13,398.40
  4. Step 4: Simplify right side
    44,571.52x = 895,677,680.64
  5. Step 5: Solve for x
    x = 895,677,680.64/44,571.52
  6. Step 6: Final answer
    x = 20,095.29

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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.