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Finding the Fourth Proportional to 13,063.59, 19,620.60 and 11,193.71

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Solution

The fourth proportional to 13,063.59, 19,620.60 and 11,193.71 is: 16,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.59 : 19,620.60 = 11,193.71 : x
  2. Step 2: Convert to fraction form
    13,063.59/19,620.60 = 11,193.71/x
  3. Step 3: Cross multiply
    13,063.59x = 19,620.60 × 11,193.71
  4. Step 4: Simplify right side
    13,063.59x = 219,627,306.43
  5. Step 5: Solve for x
    x = 219,627,306.43/13,063.59
  6. Step 6: Final answer
    x = 16,812.17

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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.