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Finding the Fourth Proportional to 17,120.48, 25,663.92 and 8,804.48

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Solution

The fourth proportional to 17,120.48, 25,663.92 and 8,804.48 is: 13,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.48 : 25,663.92 = 8,804.48 : x
  2. Step 2: Convert to fraction form
    17,120.48/25,663.92 = 8,804.48/x
  3. Step 3: Cross multiply
    17,120.48x = 25,663.92 × 8,804.48
  4. Step 4: Simplify right side
    17,120.48x = 225,957,470.36
  5. Step 5: Solve for x
    x = 225,957,470.36/17,120.48
  6. Step 6: Final answer
    x = 13,198.08

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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.