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Finding the Fourth Proportional to 12,701.71, 19,027.42 and 11,744.70

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Solution

The fourth proportional to 12,701.71, 19,027.42 and 11,744.70 is: 17,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.71 : 19,027.42 = 11,744.70 : x
  2. Step 2: Convert to fraction form
    12,701.71/19,027.42 = 11,744.70/x
  3. Step 3: Cross multiply
    12,701.71x = 19,027.42 × 11,744.70
  4. Step 4: Simplify right side
    12,701.71x = 223,471,339.67
  5. Step 5: Solve for x
    x = 223,471,339.67/12,701.71
  6. Step 6: Final answer
    x = 17,593.80

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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.