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Finding the Fourth Proportional to 22,609.09, 33,909.02 and 8,564.28

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Solution

The fourth proportional to 22,609.09, 33,909.02 and 8,564.28 is: 12,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.09 : 33,909.02 = 8,564.28 : x
  2. Step 2: Convert to fraction form
    22,609.09/33,909.02 = 8,564.28/x
  3. Step 3: Cross multiply
    22,609.09x = 33,909.02 × 8,564.28
  4. Step 4: Simplify right side
    22,609.09x = 290,406,203.94
  5. Step 5: Solve for x
    x = 290,406,203.94/22,609.09
  6. Step 6: Final answer
    x = 12,844.67

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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.