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Finding the Fourth Proportional to 17,275.98, 23,839.01 and 9,722.18

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Solution

The fourth proportional to 17,275.98, 23,839.01 and 9,722.18 is: 13,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.98 : 23,839.01 = 9,722.18 : x
  2. Step 2: Convert to fraction form
    17,275.98/23,839.01 = 9,722.18/x
  3. Step 3: Cross multiply
    17,275.98x = 23,839.01 × 9,722.18
  4. Step 4: Simplify right side
    17,275.98x = 231,767,157.23
  5. Step 5: Solve for x
    x = 231,767,157.23/17,275.98
  6. Step 6: Final answer
    x = 13,415.57

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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.