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Finding the Fourth Proportional to 17,445.71, 26,163.92 and 7,582.68

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Solution

The fourth proportional to 17,445.71, 26,163.92 and 7,582.68 is: 11,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.71 : 26,163.92 = 7,582.68 : x
  2. Step 2: Convert to fraction form
    17,445.71/26,163.92 = 7,582.68/x
  3. Step 3: Cross multiply
    17,445.71x = 26,163.92 × 7,582.68
  4. Step 4: Simplify right side
    17,445.71x = 198,392,594.99
  5. Step 5: Solve for x
    x = 198,392,594.99/17,445.71
  6. Step 6: Final answer
    x = 11,372.00

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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.