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Finding the Fourth Proportional to 6,405.54, 9,608.19 and 2,893.02

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Solution

The fourth proportional to 6,405.54, 9,608.19 and 2,893.02 is: 4,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.54 : 9,608.19 = 2,893.02 : x
  2. Step 2: Convert to fraction form
    6,405.54/9,608.19 = 2,893.02/x
  3. Step 3: Cross multiply
    6,405.54x = 9,608.19 × 2,893.02
  4. Step 4: Simplify right side
    6,405.54x = 27,796,685.83
  5. Step 5: Solve for x
    x = 27,796,685.83/6,405.54
  6. Step 6: Final answer
    x = 4,339.48

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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.