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Finding the Fourth Proportional to 17,896.20, 24,697.08 and 10,821.12

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Solution

The fourth proportional to 17,896.20, 24,697.08 and 10,821.12 is: 14,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.20 : 24,697.08 = 10,821.12 : x
  2. Step 2: Convert to fraction form
    17,896.20/24,697.08 = 10,821.12/x
  3. Step 3: Cross multiply
    17,896.20x = 24,697.08 × 10,821.12
  4. Step 4: Simplify right side
    17,896.20x = 267,250,066.33
  5. Step 5: Solve for x
    x = 267,250,066.33/17,896.20
  6. Step 6: Final answer
    x = 14,933.34

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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.