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Finding the Fourth Proportional to 17,031.68, 23,506.98 and 9,579.68

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Solution

The fourth proportional to 17,031.68, 23,506.98 and 9,579.68 is: 13,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,031.68 : 23,506.98 = 9,579.68 : x
  2. Step 2: Convert to fraction form
    17,031.68/23,506.98 = 9,579.68/x
  3. Step 3: Cross multiply
    17,031.68x = 23,506.98 × 9,579.68
  4. Step 4: Simplify right side
    17,031.68x = 225,189,346.17
  5. Step 5: Solve for x
    x = 225,189,346.17/17,031.68
  6. Step 6: Final answer
    x = 13,221.79

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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.