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Finding the Fourth Proportional to 17,092.93, 25,630.51 and 7,728.47

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Solution

The fourth proportional to 17,092.93, 25,630.51 and 7,728.47 is: 11,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,092.93 : 25,630.51 = 7,728.47 : x
  2. Step 2: Convert to fraction form
    17,092.93/25,630.51 = 7,728.47/x
  3. Step 3: Cross multiply
    17,092.93x = 25,630.51 × 7,728.47
  4. Step 4: Simplify right side
    17,092.93x = 198,084,627.62
  5. Step 5: Solve for x
    x = 198,084,627.62/17,092.93
  6. Step 6: Final answer
    x = 11,588.69

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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.