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Finding the Fourth Proportional to 11,889.54, 17,834.51 and 4,497.48

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Solution

The fourth proportional to 11,889.54, 17,834.51 and 4,497.48 is: 6,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.54 : 17,834.51 = 4,497.48 : x
  2. Step 2: Convert to fraction form
    11,889.54/17,834.51 = 4,497.48/x
  3. Step 3: Cross multiply
    11,889.54x = 17,834.51 × 4,497.48
  4. Step 4: Simplify right side
    11,889.54x = 80,210,240.37
  5. Step 5: Solve for x
    x = 80,210,240.37/11,889.54
  6. Step 6: Final answer
    x = 6,746.29

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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.