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Finding the Fourth Proportional to 15,184.69, 22,769.71 and 8,609.11

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Solution

The fourth proportional to 15,184.69, 22,769.71 and 8,609.11 is: 12,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.69 : 22,769.71 = 8,609.11 : x
  2. Step 2: Convert to fraction form
    15,184.69/22,769.71 = 8,609.11/x
  3. Step 3: Cross multiply
    15,184.69x = 22,769.71 × 8,609.11
  4. Step 4: Simplify right side
    15,184.69x = 196,026,938.06
  5. Step 5: Solve for x
    x = 196,026,938.06/15,184.69
  6. Step 6: Final answer
    x = 12,909.51

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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.