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Finding the Fourth Proportional to 8,313.01, 12,468.09 and 3,047.74

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Solution

The fourth proportional to 8,313.01, 12,468.09 and 3,047.74 is: 4,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.01 : 12,468.09 = 3,047.74 : x
  2. Step 2: Convert to fraction form
    8,313.01/12,468.09 = 3,047.74/x
  3. Step 3: Cross multiply
    8,313.01x = 12,468.09 × 3,047.74
  4. Step 4: Simplify right side
    8,313.01x = 37,999,496.62
  5. Step 5: Solve for x
    x = 37,999,496.62/8,313.01
  6. Step 6: Final answer
    x = 4,571.09

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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.