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Finding the Fourth Proportional to 8,349.56, 11,522.78 and 4,623.64

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Solution

The fourth proportional to 8,349.56, 11,522.78 and 4,623.64 is: 6,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.56 : 11,522.78 = 4,623.64 : x
  2. Step 2: Convert to fraction form
    8,349.56/11,522.78 = 4,623.64/x
  3. Step 3: Cross multiply
    8,349.56x = 11,522.78 × 4,623.64
  4. Step 4: Simplify right side
    8,349.56x = 53,277,186.52
  5. Step 5: Solve for x
    x = 53,277,186.52/8,349.56
  6. Step 6: Final answer
    x = 6,380.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.