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Finding the Fourth Proportional to 17,696.13, 26,505.91 and 8,322.11

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Solution

The fourth proportional to 17,696.13, 26,505.91 and 8,322.11 is: 12,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,696.13 : 26,505.91 = 8,322.11 : x
  2. Step 2: Convert to fraction form
    17,696.13/26,505.91 = 8,322.11/x
  3. Step 3: Cross multiply
    17,696.13x = 26,505.91 × 8,322.11
  4. Step 4: Simplify right side
    17,696.13x = 220,584,945.34
  5. Step 5: Solve for x
    x = 220,584,945.34/17,696.13
  6. Step 6: Final answer
    x = 12,465.15

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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.