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Finding the Fourth Proportional to 17,031.06, 23,501.34 and 9,579.06

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Solution

The fourth proportional to 17,031.06, 23,501.34 and 9,579.06 is: 13,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,031.06 : 23,501.34 = 9,579.06 : x
  2. Step 2: Convert to fraction form
    17,031.06/23,501.34 = 9,579.06/x
  3. Step 3: Cross multiply
    17,031.06x = 23,501.34 × 9,579.06
  4. Step 4: Simplify right side
    17,031.06x = 225,120,745.94
  5. Step 5: Solve for x
    x = 225,120,745.94/17,031.06
  6. Step 6: Final answer
    x = 13,218.25

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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.