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Finding the Fourth Proportional to 17,606, 26,409.15 and 4,458.38

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Solution

The fourth proportional to 17,606, 26,409.15 and 4,458.38 is: 6,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,606 : 26,409.15 = 4,458.38 : x
  2. Step 2: Convert to fraction form
    17,606/26,409.15 = 4,458.38/x
  3. Step 3: Cross multiply
    17,606x = 26,409.15 × 4,458.38
  4. Step 4: Simplify right side
    17,606x = 117,742,026.18
  5. Step 5: Solve for x
    x = 117,742,026.18/17,606
  6. Step 6: Final answer
    x = 6,687.61

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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.