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Finding the Fourth Proportional to 17,904.01, 26,859.26 and 7,908.74

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Solution

The fourth proportional to 17,904.01, 26,859.26 and 7,908.74 is: 11,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.01 : 26,859.26 = 7,908.74 : x
  2. Step 2: Convert to fraction form
    17,904.01/26,859.26 = 7,908.74/x
  3. Step 3: Cross multiply
    17,904.01x = 26,859.26 × 7,908.74
  4. Step 4: Simplify right side
    17,904.01x = 212,422,906.81
  5. Step 5: Solve for x
    x = 212,422,906.81/17,904.01
  6. Step 6: Final answer
    x = 11,864.54

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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.