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Finding the Fourth Proportional to 3,649.61, 5,474.45 and 1,184.44

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Solution

The fourth proportional to 3,649.61, 5,474.45 and 1,184.44 is: 1,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.61 : 5,474.45 = 1,184.44 : x
  2. Step 2: Convert to fraction form
    3,649.61/5,474.45 = 1,184.44/x
  3. Step 3: Cross multiply
    3,649.61x = 5,474.45 × 1,184.44
  4. Step 4: Simplify right side
    3,649.61x = 6,484,157.56
  5. Step 5: Solve for x
    x = 6,484,157.56/3,649.61
  6. Step 6: Final answer
    x = 1,776.67

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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.