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Finding the Fourth Proportional to 17,264.15, 25,875.02 and 8,939.42

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Solution

The fourth proportional to 17,264.15, 25,875.02 and 8,939.42 is: 13,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,264.15 : 25,875.02 = 8,939.42 : x
  2. Step 2: Convert to fraction form
    17,264.15/25,875.02 = 8,939.42/x
  3. Step 3: Cross multiply
    17,264.15x = 25,875.02 × 8,939.42
  4. Step 4: Simplify right side
    17,264.15x = 231,307,497.22
  5. Step 5: Solve for x
    x = 231,307,497.22/17,264.15
  6. Step 6: Final answer
    x = 13,398.14

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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.