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Finding the Fourth Proportional to 6,609.49, 9,901.02 and 3,975.54

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Solution

The fourth proportional to 6,609.49, 9,901.02 and 3,975.54 is: 5,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.49 : 9,901.02 = 3,975.54 : x
  2. Step 2: Convert to fraction form
    6,609.49/9,901.02 = 3,975.54/x
  3. Step 3: Cross multiply
    6,609.49x = 9,901.02 × 3,975.54
  4. Step 4: Simplify right side
    6,609.49x = 39,361,923.34
  5. Step 5: Solve for x
    x = 39,361,923.34/6,609.49
  6. Step 6: Final answer
    x = 5,955.36

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Double scale
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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.