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Finding the Fourth Proportional to 6,410.32, 9,608.82 and 2,460.64

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Solution

The fourth proportional to 6,410.32, 9,608.82 and 2,460.64 is: 3,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.32 : 9,608.82 = 2,460.64 : x
  2. Step 2: Convert to fraction form
    6,410.32/9,608.82 = 2,460.64/x
  3. Step 3: Cross multiply
    6,410.32x = 9,608.82 × 2,460.64
  4. Step 4: Simplify right side
    6,410.32x = 23,643,846.84
  5. Step 5: Solve for x
    x = 23,643,846.84/6,410.32
  6. Step 6: Final answer
    x = 3,688.40

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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.