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Finding the Fourth Proportional to 17,922.50, 24,731.88 and 9,964.43

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Solution

The fourth proportional to 17,922.50, 24,731.88 and 9,964.43 is: 13,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,922.50 : 24,731.88 = 9,964.43 : x
  2. Step 2: Convert to fraction form
    17,922.50/24,731.88 = 9,964.43/x
  3. Step 3: Cross multiply
    17,922.50x = 24,731.88 × 9,964.43
  4. Step 4: Simplify right side
    17,922.50x = 246,439,087.03
  5. Step 5: Solve for x
    x = 246,439,087.03/17,922.50
  6. Step 6: Final answer
    x = 13,750.26

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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.