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Finding the Fourth Proportional to 6,884.25, 9,495.93 and 5,490.33

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Solution

The fourth proportional to 6,884.25, 9,495.93 and 5,490.33 is: 7,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.25 : 9,495.93 = 5,490.33 : x
  2. Step 2: Convert to fraction form
    6,884.25/9,495.93 = 5,490.33/x
  3. Step 3: Cross multiply
    6,884.25x = 9,495.93 × 5,490.33
  4. Step 4: Simplify right side
    6,884.25x = 52,135,789.36
  5. Step 5: Solve for x
    x = 52,135,789.36/6,884.25
  6. Step 6: Final answer
    x = 7,573.20

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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.