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Finding the Fourth Proportional to 17,981.21, 24,813.41 and 10,023.28

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Solution

The fourth proportional to 17,981.21, 24,813.41 and 10,023.28 is: 13,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.21 : 24,813.41 = 10,023.28 : x
  2. Step 2: Convert to fraction form
    17,981.21/24,813.41 = 10,023.28/x
  3. Step 3: Cross multiply
    17,981.21x = 24,813.41 × 10,023.28
  4. Step 4: Simplify right side
    17,981.21x = 248,711,644.03
  5. Step 5: Solve for x
    x = 248,711,644.03/17,981.21
  6. Step 6: Final answer
    x = 13,831.75

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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.