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Finding the Fourth Proportional to 6,655.37, 9,184.39 and 3,968.39

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Solution

The fourth proportional to 6,655.37, 9,184.39 and 3,968.39 is: 5,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.37 : 9,184.39 = 3,968.39 : x
  2. Step 2: Convert to fraction form
    6,655.37/9,184.39 = 3,968.39/x
  3. Step 3: Cross multiply
    6,655.37x = 9,184.39 × 3,968.39
  4. Step 4: Simplify right side
    6,655.37x = 36,447,254.47
  5. Step 5: Solve for x
    x = 36,447,254.47/6,655.37
  6. Step 6: Final answer
    x = 5,476.37

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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.