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Finding the Fourth Proportional to 6,631.07, 9,150.71 and 3,606.08

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Solution

The fourth proportional to 6,631.07, 9,150.71 and 3,606.08 is: 4,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.07 : 9,150.71 = 3,606.08 : x
  2. Step 2: Convert to fraction form
    6,631.07/9,150.71 = 3,606.08/x
  3. Step 3: Cross multiply
    6,631.07x = 9,150.71 × 3,606.08
  4. Step 4: Simplify right side
    6,631.07x = 32,998,128.53
  5. Step 5: Solve for x
    x = 32,998,128.53/6,631.07
  6. Step 6: Final answer
    x = 4,976.29

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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.