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Finding the Fourth Proportional to 17,031.06, 25,520.54 and 7,164.99

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Solution

The fourth proportional to 17,031.06, 25,520.54 and 7,164.99 is: 10,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,031.06 : 25,520.54 = 7,164.99 : x
  2. Step 2: Convert to fraction form
    17,031.06/25,520.54 = 7,164.99/x
  3. Step 3: Cross multiply
    17,031.06x = 25,520.54 × 7,164.99
  4. Step 4: Simplify right side
    17,031.06x = 182,854,378.07
  5. Step 5: Solve for x
    x = 182,854,378.07/17,031.06
  6. Step 6: Final answer
    x = 10,736.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.