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Finding the Fourth Proportional to 17,389.99, 23,998.37 and 9,836.40

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Solution

The fourth proportional to 17,389.99, 23,998.37 and 9,836.40 is: 13,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.99 : 23,998.37 = 9,836.40 : x
  2. Step 2: Convert to fraction form
    17,389.99/23,998.37 = 9,836.40/x
  3. Step 3: Cross multiply
    17,389.99x = 23,998.37 × 9,836.40
  4. Step 4: Simplify right side
    17,389.99x = 236,057,517.49
  5. Step 5: Solve for x
    x = 236,057,517.49/17,389.99
  6. Step 6: Final answer
    x = 13,574.34

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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.