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Finding the Fourth Proportional to 3,649.50, 5,475.06 and 1,341

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Solution

The fourth proportional to 3,649.50, 5,475.06 and 1,341 is: 2,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.50 : 5,475.06 = 1,341 : x
  2. Step 2: Convert to fraction form
    3,649.50/5,475.06 = 1,341/x
  3. Step 3: Cross multiply
    3,649.50x = 5,475.06 × 1,341
  4. Step 4: Simplify right side
    3,649.50x = 7,342,055.46
  5. Step 5: Solve for x
    x = 7,342,055.46/3,649.50
  6. Step 6: Final answer
    x = 2,011.80

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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.