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Finding the Fourth Proportional to 17,551.69, 24,209.94 and 11,819.01

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Solution

The fourth proportional to 17,551.69, 24,209.94 and 11,819.01 is: 16,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551.69 : 24,209.94 = 11,819.01 : x
  2. Step 2: Convert to fraction form
    17,551.69/24,209.94 = 11,819.01/x
  3. Step 3: Cross multiply
    17,551.69x = 24,209.94 × 11,819.01
  4. Step 4: Simplify right side
    17,551.69x = 286,137,591.59
  5. Step 5: Solve for x
    x = 286,137,591.59/17,551.69
  6. Step 6: Final answer
    x = 16,302.57

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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.