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Finding the Fourth Proportional to 3,649.75, 5,473.47 and 1,184

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Solution

The fourth proportional to 3,649.75, 5,473.47 and 1,184 is: 1,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.75 : 5,473.47 = 1,184 : x
  2. Step 2: Convert to fraction form
    3,649.75/5,473.47 = 1,184/x
  3. Step 3: Cross multiply
    3,649.75x = 5,473.47 × 1,184
  4. Step 4: Simplify right side
    3,649.75x = 6,480,588.48
  5. Step 5: Solve for x
    x = 6,480,588.48/3,649.75
  6. Step 6: Final answer
    x = 1,775.63

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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.