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Finding the Fourth Proportional to 6,168.96, 8,511.84 and 3,516.48

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Solution

The fourth proportional to 6,168.96, 8,511.84 and 3,516.48 is: 4,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.96 : 8,511.84 = 3,516.48 : x
  2. Step 2: Convert to fraction form
    6,168.96/8,511.84 = 3,516.48/x
  3. Step 3: Cross multiply
    6,168.96x = 8,511.84 × 3,516.48
  4. Step 4: Simplify right side
    6,168.96x = 29,931,715.12
  5. Step 5: Solve for x
    x = 29,931,715.12/6,168.96
  6. Step 6: Final answer
    x = 4,851.99

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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.