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Finding the Fourth Proportional to 7,028.37, 9,699.03 and 3,884.54

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Solution

The fourth proportional to 7,028.37, 9,699.03 and 3,884.54 is: 5,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.37 : 9,699.03 = 3,884.54 : x
  2. Step 2: Convert to fraction form
    7,028.37/9,699.03 = 3,884.54/x
  3. Step 3: Cross multiply
    7,028.37x = 9,699.03 × 3,884.54
  4. Step 4: Simplify right side
    7,028.37x = 37,676,221.50
  5. Step 5: Solve for x
    x = 37,676,221.50/7,028.37
  6. Step 6: Final answer
    x = 5,360.59

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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.