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Finding the Fourth Proportional to 6,601.04, 9,109.18 and 3,946.87

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Solution

The fourth proportional to 6,601.04, 9,109.18 and 3,946.87 is: 5,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.04 : 9,109.18 = 3,946.87 : x
  2. Step 2: Convert to fraction form
    6,601.04/9,109.18 = 3,946.87/x
  3. Step 3: Cross multiply
    6,601.04x = 9,109.18 × 3,946.87
  4. Step 4: Simplify right side
    6,601.04x = 35,952,749.27
  5. Step 5: Solve for x
    x = 35,952,749.27/6,601.04
  6. Step 6: Final answer
    x = 5,446.53

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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.