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Finding the Fourth Proportional to 17,923.40, 26,906.70 and 10,032.20

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Solution

The fourth proportional to 17,923.40, 26,906.70 and 10,032.20 is: 15,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,923.40 : 26,906.70 = 10,032.20 : x
  2. Step 2: Convert to fraction form
    17,923.40/26,906.70 = 10,032.20/x
  3. Step 3: Cross multiply
    17,923.40x = 26,906.70 × 10,032.20
  4. Step 4: Simplify right side
    17,923.40x = 269,933,395.74
  5. Step 5: Solve for x
    x = 269,933,395.74/17,923.40
  6. Step 6: Final answer
    x = 15,060.39

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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.