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Finding the Fourth Proportional to 44,153.76, 66,174.48 and 20,748

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Solution

The fourth proportional to 44,153.76, 66,174.48 and 20,748 is: 31,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,153.76 : 66,174.48 = 20,748 : x
  2. Step 2: Convert to fraction form
    44,153.76/66,174.48 = 20,748/x
  3. Step 3: Cross multiply
    44,153.76x = 66,174.48 × 20,748
  4. Step 4: Simplify right side
    44,153.76x = 1,372,988,111.04
  5. Step 5: Solve for x
    x = 1,372,988,111.04/44,153.76
  6. Step 6: Final answer
    x = 31,095.61

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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.