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Finding the Fourth Proportional to 17,324.16, 25,991.04 and 5,638.08

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Solution

The fourth proportional to 17,324.16, 25,991.04 and 5,638.08 is: 8,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,324.16 : 25,991.04 = 5,638.08 : x
  2. Step 2: Convert to fraction form
    17,324.16/25,991.04 = 5,638.08/x
  3. Step 3: Cross multiply
    17,324.16x = 25,991.04 × 5,638.08
  4. Step 4: Simplify right side
    17,324.16x = 146,539,562.80
  5. Step 5: Solve for x
    x = 146,539,562.80/17,324.16
  6. Step 6: Final answer
    x = 8,458.68

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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.