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Finding the Fourth Proportional to 17,209.74, 23,747.99 and 9,655.05

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Solution

The fourth proportional to 17,209.74, 23,747.99 and 9,655.05 is: 13,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,209.74 : 23,747.99 = 9,655.05 : x
  2. Step 2: Convert to fraction form
    17,209.74/23,747.99 = 9,655.05/x
  3. Step 3: Cross multiply
    17,209.74x = 23,747.99 × 9,655.05
  4. Step 4: Simplify right side
    17,209.74x = 229,287,982.57
  5. Step 5: Solve for x
    x = 229,287,982.57/17,209.74
  6. Step 6: Final answer
    x = 13,323.15

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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.