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Finding the Fourth Proportional to 17,006.44, 25,499.66 and 8,681

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Solution

The fourth proportional to 17,006.44, 25,499.66 and 8,681 is: 13,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,006.44 : 25,499.66 = 8,681 : x
  2. Step 2: Convert to fraction form
    17,006.44/25,499.66 = 8,681/x
  3. Step 3: Cross multiply
    17,006.44x = 25,499.66 × 8,681
  4. Step 4: Simplify right side
    17,006.44x = 221,362,548.46
  5. Step 5: Solve for x
    x = 221,362,548.46/17,006.44
  6. Step 6: Final answer
    x = 13,016.40

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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.