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Finding the Fourth Proportional to 11,335.61, 17,006.49 and 8,069.49

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Solution

The fourth proportional to 11,335.61, 17,006.49 and 8,069.49 is: 12,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.61 : 17,006.49 = 8,069.49 : x
  2. Step 2: Convert to fraction form
    11,335.61/17,006.49 = 8,069.49/x
  3. Step 3: Cross multiply
    11,335.61x = 17,006.49 × 8,069.49
  4. Step 4: Simplify right side
    11,335.61x = 137,233,700.99
  5. Step 5: Solve for x
    x = 137,233,700.99/11,335.61
  6. Step 6: Final answer
    x = 12,106.42

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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.