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Finding the Fourth Proportional to 17,132.48, 25,678.26 and 8,816.48

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Solution

The fourth proportional to 17,132.48, 25,678.26 and 8,816.48 is: 13,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,132.48 : 25,678.26 = 8,816.48 : x
  2. Step 2: Convert to fraction form
    17,132.48/25,678.26 = 8,816.48/x
  3. Step 3: Cross multiply
    17,132.48x = 25,678.26 × 8,816.48
  4. Step 4: Simplify right side
    17,132.48x = 226,391,737.33
  5. Step 5: Solve for x
    x = 226,391,737.33/17,132.48
  6. Step 6: Final answer
    x = 13,214.19

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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.