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Finding the Fourth Proportional to 17,212.54, 23,751.03 and 9,658.58

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Solution

The fourth proportional to 17,212.54, 23,751.03 and 9,658.58 is: 13,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.54 : 23,751.03 = 9,658.58 : x
  2. Step 2: Convert to fraction form
    17,212.54/23,751.03 = 9,658.58/x
  3. Step 3: Cross multiply
    17,212.54x = 23,751.03 × 9,658.58
  4. Step 4: Simplify right side
    17,212.54x = 229,401,056.29
  5. Step 5: Solve for x
    x = 229,401,056.29/17,212.54
  6. Step 6: Final answer
    x = 13,327.56

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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.