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Finding the Fourth Proportional to 5,699.54, 7,865.44 and 3,340.82

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Solution

The fourth proportional to 5,699.54, 7,865.44 and 3,340.82 is: 4,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.54 : 7,865.44 = 3,340.82 : x
  2. Step 2: Convert to fraction form
    5,699.54/7,865.44 = 3,340.82/x
  3. Step 3: Cross multiply
    5,699.54x = 7,865.44 × 3,340.82
  4. Step 4: Simplify right side
    5,699.54x = 26,277,019.26
  5. Step 5: Solve for x
    x = 26,277,019.26/5,699.54
  6. Step 6: Final answer
    x = 4,610.38

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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.