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Finding the Fourth Proportional to 6,410.84, 9,619.32 and 2,903.32

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Solution

The fourth proportional to 6,410.84, 9,619.32 and 2,903.32 is: 4,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.84 : 9,619.32 = 2,903.32 : x
  2. Step 2: Convert to fraction form
    6,410.84/9,619.32 = 2,903.32/x
  3. Step 3: Cross multiply
    6,410.84x = 9,619.32 × 2,903.32
  4. Step 4: Simplify right side
    6,410.84x = 27,927,964.14
  5. Step 5: Solve for x
    x = 27,927,964.14/6,410.84
  6. Step 6: Final answer
    x = 4,356.37

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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.