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Finding the Fourth Proportional to 6,137.54, 9,209.04 and 3,215.16

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Solution

The fourth proportional to 6,137.54, 9,209.04 and 3,215.16 is: 4,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137.54 : 9,209.04 = 3,215.16 : x
  2. Step 2: Convert to fraction form
    6,137.54/9,209.04 = 3,215.16/x
  3. Step 3: Cross multiply
    6,137.54x = 9,209.04 × 3,215.16
  4. Step 4: Simplify right side
    6,137.54x = 29,608,537.05
  5. Step 5: Solve for x
    x = 29,608,537.05/6,137.54
  6. Step 6: Final answer
    x = 4,824.17

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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.