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Finding the Fourth Proportional to 44,149.92, 66,223.40 and 19,189.95

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Solution

The fourth proportional to 44,149.92, 66,223.40 and 19,189.95 is: 28,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,149.92 : 66,223.40 = 19,189.95 : x
  2. Step 2: Convert to fraction form
    44,149.92/66,223.40 = 19,189.95/x
  3. Step 3: Cross multiply
    44,149.92x = 66,223.40 × 19,189.95
  4. Step 4: Simplify right side
    44,149.92x = 1,270,823,638.88
  5. Step 5: Solve for x
    x = 1,270,823,638.88/44,149.92
  6. Step 6: Final answer
    x = 28,784.28

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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.