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Finding the Fourth Proportional to 6,321.56, 9,494.64 and 5,152.43

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Solution

The fourth proportional to 6,321.56, 9,494.64 and 5,152.43 is: 7,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.56 : 9,494.64 = 5,152.43 : x
  2. Step 2: Convert to fraction form
    6,321.56/9,494.64 = 5,152.43/x
  3. Step 3: Cross multiply
    6,321.56x = 9,494.64 × 5,152.43
  4. Step 4: Simplify right side
    6,321.56x = 48,920,420.50
  5. Step 5: Solve for x
    x = 48,920,420.50/6,321.56
  6. Step 6: Final answer
    x = 7,738.67

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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.