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Finding the Fourth Proportional to 17,465.48, 26,179.50 and 8,681.48

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Solution

The fourth proportional to 17,465.48, 26,179.50 and 8,681.48 is: 13,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,465.48 : 26,179.50 = 8,681.48 : x
  2. Step 2: Convert to fraction form
    17,465.48/26,179.50 = 8,681.48/x
  3. Step 3: Cross multiply
    17,465.48x = 26,179.50 × 8,681.48
  4. Step 4: Simplify right side
    17,465.48x = 227,276,805.66
  5. Step 5: Solve for x
    x = 227,276,805.66/17,465.48
  6. Step 6: Final answer
    x = 13,012.91

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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.