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Finding the Fourth Proportional to 17,730.91, 26,597.04 and 6,636.43

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Solution

The fourth proportional to 17,730.91, 26,597.04 and 6,636.43 is: 9,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.91 : 26,597.04 = 6,636.43 : x
  2. Step 2: Convert to fraction form
    17,730.91/26,597.04 = 6,636.43/x
  3. Step 3: Cross multiply
    17,730.91x = 26,597.04 × 6,636.43
  4. Step 4: Simplify right side
    17,730.91x = 176,509,394.17
  5. Step 5: Solve for x
    x = 176,509,394.17/17,730.91
  6. Step 6: Final answer
    x = 9,954.90

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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.