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Finding the Fourth Proportional to 17,125.71, 25,670.93 and 8,227.68

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Solution

The fourth proportional to 17,125.71, 25,670.93 and 8,227.68 is: 12,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.71 : 25,670.93 = 8,227.68 : x
  2. Step 2: Convert to fraction form
    17,125.71/25,670.93 = 8,227.68/x
  3. Step 3: Cross multiply
    17,125.71x = 25,670.93 × 8,227.68
  4. Step 4: Simplify right side
    17,125.71x = 211,212,156.20
  5. Step 5: Solve for x
    x = 211,212,156.20/17,125.71
  6. Step 6: Final answer
    x = 12,333.05

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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.