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Finding the Fourth Proportional to 6,672.53, 9,208.26 and 3,688.41

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Solution

The fourth proportional to 6,672.53, 9,208.26 and 3,688.41 is: 5,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.53 : 9,208.26 = 3,688.41 : x
  2. Step 2: Convert to fraction form
    6,672.53/9,208.26 = 3,688.41/x
  3. Step 3: Cross multiply
    6,672.53x = 9,208.26 × 3,688.41
  4. Step 4: Simplify right side
    6,672.53x = 33,963,773.78
  5. Step 5: Solve for x
    x = 33,963,773.78/6,672.53
  6. Step 6: Final answer
    x = 5,090.09

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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.