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Finding the Fourth Proportional to 17,992.78, 24,817.18 and 15,598.47

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Solution

The fourth proportional to 17,992.78, 24,817.18 and 15,598.47 is: 21,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.78 : 24,817.18 = 15,598.47 : x
  2. Step 2: Convert to fraction form
    17,992.78/24,817.18 = 15,598.47/x
  3. Step 3: Cross multiply
    17,992.78x = 24,817.18 × 15,598.47
  4. Step 4: Simplify right side
    17,992.78x = 387,110,099.76
  5. Step 5: Solve for x
    x = 387,110,099.76/17,992.78
  6. Step 6: Final answer
    x = 21,514.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.