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Finding the Fourth Proportional to 17,369.57, 23,969.97 and 9,411.99

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Solution

The fourth proportional to 17,369.57, 23,969.97 and 9,411.99 is: 12,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.57 : 23,969.97 = 9,411.99 : x
  2. Step 2: Convert to fraction form
    17,369.57/23,969.97 = 9,411.99/x
  3. Step 3: Cross multiply
    17,369.57x = 23,969.97 × 9,411.99
  4. Step 4: Simplify right side
    17,369.57x = 225,605,117.94
  5. Step 5: Solve for x
    x = 225,605,117.94/17,369.57
  6. Step 6: Final answer
    x = 12,988.53

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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.