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Finding the Fourth Proportional to 3,649.52, 5,474.25 and 1,184.49

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Solution

The fourth proportional to 3,649.52, 5,474.25 and 1,184.49 is: 1,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.52 : 5,474.25 = 1,184.49 : x
  2. Step 2: Convert to fraction form
    3,649.52/5,474.25 = 1,184.49/x
  3. Step 3: Cross multiply
    3,649.52x = 5,474.25 × 1,184.49
  4. Step 4: Simplify right side
    3,649.52x = 6,484,194.38
  5. Step 5: Solve for x
    x = 6,484,194.38/3,649.52
  6. Step 6: Final answer
    x = 1,776.72

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