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Finding the Fourth Proportional to 7,663.94, 11,487.74 and 4,369.94

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Solution

The fourth proportional to 7,663.94, 11,487.74 and 4,369.94 is: 6,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.94 : 11,487.74 = 4,369.94 : x
  2. Step 2: Convert to fraction form
    7,663.94/11,487.74 = 4,369.94/x
  3. Step 3: Cross multiply
    7,663.94x = 11,487.74 × 4,369.94
  4. Step 4: Simplify right side
    7,663.94x = 50,200,734.54
  5. Step 5: Solve for x
    x = 50,200,734.54/7,663.94
  6. Step 6: Final answer
    x = 6,550.25

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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.