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Finding the Fourth Proportional to 5,487.09, 7,576.25 and 3,365.54

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Solution

The fourth proportional to 5,487.09, 7,576.25 and 3,365.54 is: 4,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.09 : 7,576.25 = 3,365.54 : x
  2. Step 2: Convert to fraction form
    5,487.09/7,576.25 = 3,365.54/x
  3. Step 3: Cross multiply
    5,487.09x = 7,576.25 × 3,365.54
  4. Step 4: Simplify right side
    5,487.09x = 25,498,182.95
  5. Step 5: Solve for x
    x = 25,498,182.95/5,487.09
  6. Step 6: Final answer
    x = 4,646.95

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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.