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Finding the Fourth Proportional to 8,388.44, 11,576.73 and 5,410.47

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Solution

The fourth proportional to 8,388.44, 11,576.73 and 5,410.47 is: 7,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.44 : 11,576.73 = 5,410.47 : x
  2. Step 2: Convert to fraction form
    8,388.44/11,576.73 = 5,410.47/x
  3. Step 3: Cross multiply
    8,388.44x = 11,576.73 × 5,410.47
  4. Step 4: Simplify right side
    8,388.44x = 62,635,550.36
  5. Step 5: Solve for x
    x = 62,635,550.36/8,388.44
  6. Step 6: Final answer
    x = 7,466.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.