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Finding the Fourth Proportional to 17,166.11, 25,749.62 and 5,479.32

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Solution

The fourth proportional to 17,166.11, 25,749.62 and 5,479.32 is: 8,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.11 : 25,749.62 = 5,479.32 : x
  2. Step 2: Convert to fraction form
    17,166.11/25,749.62 = 5,479.32/x
  3. Step 3: Cross multiply
    17,166.11x = 25,749.62 × 5,479.32
  4. Step 4: Simplify right side
    17,166.11x = 141,090,407.86
  5. Step 5: Solve for x
    x = 141,090,407.86/17,166.11
  6. Step 6: Final answer
    x = 8,219.13

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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.