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Finding the Fourth Proportional to 13,068.69, 18,044.12 and 8,034.49

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Solution

The fourth proportional to 13,068.69, 18,044.12 and 8,034.49 is: 11,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.69 : 18,044.12 = 8,034.49 : x
  2. Step 2: Convert to fraction form
    13,068.69/18,044.12 = 8,034.49/x
  3. Step 3: Cross multiply
    13,068.69x = 18,044.12 × 8,034.49
  4. Step 4: Simplify right side
    13,068.69x = 144,975,299.15
  5. Step 5: Solve for x
    x = 144,975,299.15/13,068.69
  6. Step 6: Final answer
    x = 11,093.33

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Double scale
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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.