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Finding the Fourth Proportional to 18,395.54, 27,594 and 5,913.91

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Solution

The fourth proportional to 18,395.54, 27,594 and 5,913.91 is: 8,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.54 : 27,594 = 5,913.91 : x
  2. Step 2: Convert to fraction form
    18,395.54/27,594 = 5,913.91/x
  3. Step 3: Cross multiply
    18,395.54x = 27,594 × 5,913.91
  4. Step 4: Simplify right side
    18,395.54x = 163,188,467.03
  5. Step 5: Solve for x
    x = 163,188,467.03/18,395.54
  6. Step 6: Final answer
    x = 8,871.09

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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.