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Finding the Fourth Proportional to 6,376.84, 9,562.98 and 2,215.84

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Solution

The fourth proportional to 6,376.84, 9,562.98 and 2,215.84 is: 3,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.84 : 9,562.98 = 2,215.84 : x
  2. Step 2: Convert to fraction form
    6,376.84/9,562.98 = 2,215.84/x
  3. Step 3: Cross multiply
    6,376.84x = 9,562.98 × 2,215.84
  4. Step 4: Simplify right side
    6,376.84x = 21,190,033.60
  5. Step 5: Solve for x
    x = 21,190,033.60/6,376.84
  6. Step 6: Final answer
    x = 3,322.97

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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.