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Finding the Fourth Proportional to 19,561.46, 26,994.39 and 11,062.46

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Solution

The fourth proportional to 19,561.46, 26,994.39 and 11,062.46 is: 15,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.46 : 26,994.39 = 11,062.46 : x
  2. Step 2: Convert to fraction form
    19,561.46/26,994.39 = 11,062.46/x
  3. Step 3: Cross multiply
    19,561.46x = 26,994.39 × 11,062.46
  4. Step 4: Simplify right side
    19,561.46x = 298,624,295.98
  5. Step 5: Solve for x
    x = 298,624,295.98/19,561.46
  6. Step 6: Final answer
    x = 15,265.96

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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.