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Finding the Fourth Proportional to 17,323.88, 23,906.95 and 9,871.88

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Solution

The fourth proportional to 17,323.88, 23,906.95 and 9,871.88 is: 13,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,323.88 : 23,906.95 = 9,871.88 : x
  2. Step 2: Convert to fraction form
    17,323.88/23,906.95 = 9,871.88/x
  3. Step 3: Cross multiply
    17,323.88x = 23,906.95 × 9,871.88
  4. Step 4: Simplify right side
    17,323.88x = 236,006,397.35
  5. Step 5: Solve for x
    x = 236,006,397.35/17,323.88
  6. Step 6: Final answer
    x = 13,623.19

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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.