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Finding the Fourth Proportional to 17,711.25, 26,566.02 and 6,617.08

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Solution

The fourth proportional to 17,711.25, 26,566.02 and 6,617.08 is: 9,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.25 : 26,566.02 = 6,617.08 : x
  2. Step 2: Convert to fraction form
    17,711.25/26,566.02 = 6,617.08/x
  3. Step 3: Cross multiply
    17,711.25x = 26,566.02 × 6,617.08
  4. Step 4: Simplify right side
    17,711.25x = 175,789,479.62
  5. Step 5: Solve for x
    x = 175,789,479.62/17,711.25
  6. Step 6: Final answer
    x = 9,925.30

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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.