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Finding the Fourth Proportional to 6,243.58, 9,366.72 and 1,861.39

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Solution

The fourth proportional to 6,243.58, 9,366.72 and 1,861.39 is: 2,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.58 : 9,366.72 = 1,861.39 : x
  2. Step 2: Convert to fraction form
    6,243.58/9,366.72 = 1,861.39/x
  3. Step 3: Cross multiply
    6,243.58x = 9,366.72 × 1,861.39
  4. Step 4: Simplify right side
    6,243.58x = 17,435,118.94
  5. Step 5: Solve for x
    x = 17,435,118.94/6,243.58
  6. Step 6: Final answer
    x = 2,792.49

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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.