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Finding the Fourth Proportional to 44,657.76, 66,986.64 and 18,344.04

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Solution

The fourth proportional to 44,657.76, 66,986.64 and 18,344.04 is: 27,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,657.76 : 66,986.64 = 18,344.04 : x
  2. Step 2: Convert to fraction form
    44,657.76/66,986.64 = 18,344.04/x
  3. Step 3: Cross multiply
    44,657.76x = 66,986.64 × 18,344.04
  4. Step 4: Simplify right side
    44,657.76x = 1,228,805,603.63
  5. Step 5: Solve for x
    x = 1,228,805,603.63/44,657.76
  6. Step 6: Final answer
    x = 27,516.06

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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.