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Finding the Fourth Proportional to 4,491.92, 6,197.16 and 4,485

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Solution

The fourth proportional to 4,491.92, 6,197.16 and 4,485 is: 6,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.92 : 6,197.16 = 4,485 : x
  2. Step 2: Convert to fraction form
    4,491.92/6,197.16 = 4,485/x
  3. Step 3: Cross multiply
    4,491.92x = 6,197.16 × 4,485
  4. Step 4: Simplify right side
    4,491.92x = 27,794,262.60
  5. Step 5: Solve for x
    x = 27,794,262.60/4,491.92
  6. Step 6: Final answer
    x = 6,187.62

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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.