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Finding the Fourth Proportional to 22,134.69, 33,211.80 and 11,602.19

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Solution

The fourth proportional to 22,134.69, 33,211.80 and 11,602.19 is: 17,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.69 : 33,211.80 = 11,602.19 : x
  2. Step 2: Convert to fraction form
    22,134.69/33,211.80 = 11,602.19/x
  3. Step 3: Cross multiply
    22,134.69x = 33,211.80 × 11,602.19
  4. Step 4: Simplify right side
    22,134.69x = 385,329,447.78
  5. Step 5: Solve for x
    x = 385,329,447.78/22,134.69
  6. Step 6: Final answer
    x = 17,408.40

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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.