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Finding the Fourth Proportional to 12,174.44, 16,800.72 and 6,585.44

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Solution

The fourth proportional to 12,174.44, 16,800.72 and 6,585.44 is: 9,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.44 : 16,800.72 = 6,585.44 : x
  2. Step 2: Convert to fraction form
    12,174.44/16,800.72 = 6,585.44/x
  3. Step 3: Cross multiply
    12,174.44x = 16,800.72 × 6,585.44
  4. Step 4: Simplify right side
    12,174.44x = 110,640,133.52
  5. Step 5: Solve for x
    x = 110,640,133.52/12,174.44
  6. Step 6: Final answer
    x = 9,087.90

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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.