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Finding the Fourth Proportional to 7,004.97, 10,507.46 and 6,654.60

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Solution

The fourth proportional to 7,004.97, 10,507.46 and 6,654.60 is: 9,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.97 : 10,507.46 = 6,654.60 : x
  2. Step 2: Convert to fraction form
    7,004.97/10,507.46 = 6,654.60/x
  3. Step 3: Cross multiply
    7,004.97x = 10,507.46 × 6,654.60
  4. Step 4: Simplify right side
    7,004.97x = 69,922,910.04
  5. Step 5: Solve for x
    x = 69,922,910.04/7,004.97
  6. Step 6: Final answer
    x = 9,981.90

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Similar ratio
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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.