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Finding the Fourth Proportional to 8,044.56, 12,043.80 and 4,945.68

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Solution

The fourth proportional to 8,044.56, 12,043.80 and 4,945.68 is: 7,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.56 : 12,043.80 = 4,945.68 : x
  2. Step 2: Convert to fraction form
    8,044.56/12,043.80 = 4,945.68/x
  3. Step 3: Cross multiply
    8,044.56x = 12,043.80 × 4,945.68
  4. Step 4: Simplify right side
    8,044.56x = 59,564,780.78
  5. Step 5: Solve for x
    x = 59,564,780.78/8,044.56
  6. Step 6: Final answer
    x = 7,404.36

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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.