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Finding the Fourth Proportional to 17,991.97, 24,829.03 and 10,442.81

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Solution

The fourth proportional to 17,991.97, 24,829.03 and 10,442.81 is: 14,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.97 : 24,829.03 = 10,442.81 : x
  2. Step 2: Convert to fraction form
    17,991.97/24,829.03 = 10,442.81/x
  3. Step 3: Cross multiply
    17,991.97x = 24,829.03 × 10,442.81
  4. Step 4: Simplify right side
    17,991.97x = 259,284,917.90
  5. Step 5: Solve for x
    x = 259,284,917.90/17,991.97
  6. Step 6: Final answer
    x = 14,411.15

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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.