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Finding the Fourth Proportional to 17,296.96, 25,953.92 and 10,721.40

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Solution

The fourth proportional to 17,296.96, 25,953.92 and 10,721.40 is: 16,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,296.96 : 25,953.92 = 10,721.40 : x
  2. Step 2: Convert to fraction form
    17,296.96/25,953.92 = 10,721.40/x
  3. Step 3: Cross multiply
    17,296.96x = 25,953.92 × 10,721.40
  4. Step 4: Simplify right side
    17,296.96x = 278,262,357.89
  5. Step 5: Solve for x
    x = 278,262,357.89/17,296.96
  6. Step 6: Final answer
    x = 16,087.36

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1.5x scale

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.