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Finding the Fourth Proportional to 8,173.74, 12,260.91 and 2,627.00

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Solution

The fourth proportional to 8,173.74, 12,260.91 and 2,627.00 is: 3,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.74 : 12,260.91 = 2,627.00 : x
  2. Step 2: Convert to fraction form
    8,173.74/12,260.91 = 2,627.00/x
  3. Step 3: Cross multiply
    8,173.74x = 12,260.91 × 2,627.00
  4. Step 4: Simplify right side
    8,173.74x = 32,209,349.27
  5. Step 5: Solve for x
    x = 32,209,349.27/8,173.74
  6. Step 6: Final answer
    x = 3,940.59

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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.