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Finding the Fourth Proportional to 6,649.53, 9,176.43 and 3,665.46

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Solution

The fourth proportional to 6,649.53, 9,176.43 and 3,665.46 is: 5,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.53 : 9,176.43 = 3,665.46 : x
  2. Step 2: Convert to fraction form
    6,649.53/9,176.43 = 3,665.46/x
  3. Step 3: Cross multiply
    6,649.53x = 9,176.43 × 3,665.46
  4. Step 4: Simplify right side
    6,649.53x = 33,635,837.11
  5. Step 5: Solve for x
    x = 33,635,837.11/6,649.53
  6. Step 6: Final answer
    x = 5,058.38

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1.5x scale

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.