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Finding the Fourth Proportional to 7,383.01, 11,073.47 and 2,118.47

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Solution

The fourth proportional to 7,383.01, 11,073.47 and 2,118.47 is: 3,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.01 : 11,073.47 = 2,118.47 : x
  2. Step 2: Convert to fraction form
    7,383.01/11,073.47 = 2,118.47/x
  3. Step 3: Cross multiply
    7,383.01x = 11,073.47 × 2,118.47
  4. Step 4: Simplify right side
    7,383.01x = 23,458,813.99
  5. Step 5: Solve for x
    x = 23,458,813.99/7,383.01
  6. Step 6: Final answer
    x = 3,177.41

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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.