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Finding the Fourth Proportional to 8,889.78, 13,336.56 and 3,044.82

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Solution

The fourth proportional to 8,889.78, 13,336.56 and 3,044.82 is: 4,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.78 : 13,336.56 = 3,044.82 : x
  2. Step 2: Convert to fraction form
    8,889.78/13,336.56 = 3,044.82/x
  3. Step 3: Cross multiply
    8,889.78x = 13,336.56 × 3,044.82
  4. Step 4: Simplify right side
    8,889.78x = 40,607,424.62
  5. Step 5: Solve for x
    x = 40,607,424.62/8,889.78
  6. Step 6: Final answer
    x = 4,567.88

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1.5x scale

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.