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Finding the Fourth Proportional to 17,928.03, 24,737.67 and 9,969.21

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Solution

The fourth proportional to 17,928.03, 24,737.67 and 9,969.21 is: 13,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.03 : 24,737.67 = 9,969.21 : x
  2. Step 2: Convert to fraction form
    17,928.03/24,737.67 = 9,969.21/x
  3. Step 3: Cross multiply
    17,928.03x = 24,737.67 × 9,969.21
  4. Step 4: Simplify right side
    17,928.03x = 246,615,027.14
  5. Step 5: Solve for x
    x = 246,615,027.14/17,928.03
  6. Step 6: Final answer
    x = 13,755.84

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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.