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Finding the Fourth Proportional to 17,696.61, 26,533.78 and 8,330.99

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Solution

The fourth proportional to 17,696.61, 26,533.78 and 8,330.99 is: 12,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,696.61 : 26,533.78 = 8,330.99 : x
  2. Step 2: Convert to fraction form
    17,696.61/26,533.78 = 8,330.99/x
  3. Step 3: Cross multiply
    17,696.61x = 26,533.78 × 8,330.99
  4. Step 4: Simplify right side
    17,696.61x = 221,052,502.35
  5. Step 5: Solve for x
    x = 221,052,502.35/17,696.61
  6. Step 6: Final answer
    x = 12,491.23

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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.