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Finding the Fourth Proportional to 2,649.30, 3,655.96 and 1,470.38

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Solution

The fourth proportional to 2,649.30, 3,655.96 and 1,470.38 is: 2,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.30 : 3,655.96 = 1,470.38 : x
  2. Step 2: Convert to fraction form
    2,649.30/3,655.96 = 1,470.38/x
  3. Step 3: Cross multiply
    2,649.30x = 3,655.96 × 1,470.38
  4. Step 4: Simplify right side
    2,649.30x = 5,375,650.46
  5. Step 5: Solve for x
    x = 5,375,650.46/2,649.30
  6. Step 6: Final answer
    x = 2,029.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.