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Finding the Fourth Proportional to 6,884.01, 9,504.50 and 5,287.81

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Solution

The fourth proportional to 6,884.01, 9,504.50 and 5,287.81 is: 7,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.01 : 9,504.50 = 5,287.81 : x
  2. Step 2: Convert to fraction form
    6,884.01/9,504.50 = 5,287.81/x
  3. Step 3: Cross multiply
    6,884.01x = 9,504.50 × 5,287.81
  4. Step 4: Simplify right side
    6,884.01x = 50,257,979.60
  5. Step 5: Solve for x
    x = 50,257,979.60/6,884.01
  6. Step 6: Final answer
    x = 7,300.68

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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.