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Finding the Fourth Proportional to 17,219.62, 23,759.93 and 9,664.92

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Solution

The fourth proportional to 17,219.62, 23,759.93 and 9,664.92 is: 13,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.62 : 23,759.93 = 9,664.92 : x
  2. Step 2: Convert to fraction form
    17,219.62/23,759.93 = 9,664.92/x
  3. Step 3: Cross multiply
    17,219.62x = 23,759.93 × 9,664.92
  4. Step 4: Simplify right side
    17,219.62x = 229,637,822.66
  5. Step 5: Solve for x
    x = 229,637,822.66/17,219.62
  6. Step 6: Final answer
    x = 13,335.82

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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.