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Finding the Fourth Proportional to 13,034.49, 17,996.49 and 8,325.15

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Solution

The fourth proportional to 13,034.49, 17,996.49 and 8,325.15 is: 11,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.49 : 17,996.49 = 8,325.15 : x
  2. Step 2: Convert to fraction form
    13,034.49/17,996.49 = 8,325.15/x
  3. Step 3: Cross multiply
    13,034.49x = 17,996.49 × 8,325.15
  4. Step 4: Simplify right side
    13,034.49x = 149,823,478.72
  5. Step 5: Solve for x
    x = 149,823,478.72/13,034.49
  6. Step 6: Final answer
    x = 11,494.39

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Half scale
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Double scale
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Similar ratio
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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.