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Finding the Fourth Proportional to 6,612.33, 9,915.91 and 3,323.13

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Solution

The fourth proportional to 6,612.33, 9,915.91 and 3,323.13 is: 4,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.33 : 9,915.91 = 3,323.13 : x
  2. Step 2: Convert to fraction form
    6,612.33/9,915.91 = 3,323.13/x
  3. Step 3: Cross multiply
    6,612.33x = 9,915.91 × 3,323.13
  4. Step 4: Simplify right side
    6,612.33x = 32,951,858.00
  5. Step 5: Solve for x
    x = 32,951,858.00/6,612.33
  6. Step 6: Final answer
    x = 4,983.40

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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.