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Finding the Fourth Proportional to 17,370.20, 23,972.09 and 9,817.22

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Solution

The fourth proportional to 17,370.20, 23,972.09 and 9,817.22 is: 13,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,370.20 : 23,972.09 = 9,817.22 : x
  2. Step 2: Convert to fraction form
    17,370.20/23,972.09 = 9,817.22/x
  3. Step 3: Cross multiply
    17,370.20x = 23,972.09 × 9,817.22
  4. Step 4: Simplify right side
    17,370.20x = 235,339,157.39
  5. Step 5: Solve for x
    x = 235,339,157.39/17,370.20
  6. Step 6: Final answer
    x = 13,548.45

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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.