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Finding the Fourth Proportional to 6,643.99, 9,962.39 and 3,304.94

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Solution

The fourth proportional to 6,643.99, 9,962.39 and 3,304.94 is: 4,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.99 : 9,962.39 = 3,304.94 : x
  2. Step 2: Convert to fraction form
    6,643.99/9,962.39 = 3,304.94/x
  3. Step 3: Cross multiply
    6,643.99x = 9,962.39 × 3,304.94
  4. Step 4: Simplify right side
    6,643.99x = 32,925,059.66
  5. Step 5: Solve for x
    x = 32,925,059.66/6,643.99
  6. Step 6: Final answer
    x = 4,955.61

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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.