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Finding the Fourth Proportional to 3,295.68, 4,940.40 and 1,649.76

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Solution

The fourth proportional to 3,295.68, 4,940.40 and 1,649.76 is: 2,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.68 : 4,940.40 = 1,649.76 : x
  2. Step 2: Convert to fraction form
    3,295.68/4,940.40 = 1,649.76/x
  3. Step 3: Cross multiply
    3,295.68x = 4,940.40 × 1,649.76
  4. Step 4: Simplify right side
    3,295.68x = 8,150,474.30
  5. Step 5: Solve for x
    x = 8,150,474.30/3,295.68
  6. Step 6: Final answer
    x = 2,473.08

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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.