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Finding the Fourth Proportional to 6,606.79, 9,911.83 and 4,662.79

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Solution

The fourth proportional to 6,606.79, 9,911.83 and 4,662.79 is: 6,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.79 : 9,911.83 = 4,662.79 : x
  2. Step 2: Convert to fraction form
    6,606.79/9,911.83 = 4,662.79/x
  3. Step 3: Cross multiply
    6,606.79x = 9,911.83 × 4,662.79
  4. Step 4: Simplify right side
    6,606.79x = 46,216,732.25
  5. Step 5: Solve for x
    x = 46,216,732.25/6,606.79
  6. Step 6: Final answer
    x = 6,995.34

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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.