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Finding the Fourth Proportional to 6,186.36, 9,280.36 and 3,264.88

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Solution

The fourth proportional to 6,186.36, 9,280.36 and 3,264.88 is: 4,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.36 : 9,280.36 = 3,264.88 : x
  2. Step 2: Convert to fraction form
    6,186.36/9,280.36 = 3,264.88/x
  3. Step 3: Cross multiply
    6,186.36x = 9,280.36 × 3,264.88
  4. Step 4: Simplify right side
    6,186.36x = 30,299,261.76
  5. Step 5: Solve for x
    x = 30,299,261.76/6,186.36
  6. Step 6: Final answer
    x = 4,897.75

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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.