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Finding the Fourth Proportional to 6,188.72, 9,285.36 and 2,902.88

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Solution

The fourth proportional to 6,188.72, 9,285.36 and 2,902.88 is: 4,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.72 : 9,285.36 = 2,902.88 : x
  2. Step 2: Convert to fraction form
    6,188.72/9,285.36 = 2,902.88/x
  3. Step 3: Cross multiply
    6,188.72x = 9,285.36 × 2,902.88
  4. Step 4: Simplify right side
    6,188.72x = 26,954,285.84
  5. Step 5: Solve for x
    x = 26,954,285.84/6,188.72
  6. Step 6: Final answer
    x = 4,355.39

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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.