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Finding the Fourth Proportional to 11,113.99, 16,670.99 and 4,453.49

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Solution

The fourth proportional to 11,113.99, 16,670.99 and 4,453.49 is: 6,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.99 : 16,670.99 = 4,453.49 : x
  2. Step 2: Convert to fraction form
    11,113.99/16,670.99 = 4,453.49/x
  3. Step 3: Cross multiply
    11,113.99x = 16,670.99 × 4,453.49
  4. Step 4: Simplify right side
    11,113.99x = 74,244,087.26
  5. Step 5: Solve for x
    x = 74,244,087.26/11,113.99
  6. Step 6: Final answer
    x = 6,680.24

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.