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Finding the Fourth Proportional to 6,516.02, 8,992.14 and 3,829.05

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Solution

The fourth proportional to 6,516.02, 8,992.14 and 3,829.05 is: 5,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.02 : 8,992.14 = 3,829.05 : x
  2. Step 2: Convert to fraction form
    6,516.02/8,992.14 = 3,829.05/x
  3. Step 3: Cross multiply
    6,516.02x = 8,992.14 × 3,829.05
  4. Step 4: Simplify right side
    6,516.02x = 34,431,353.67
  5. Step 5: Solve for x
    x = 34,431,353.67/6,516.02
  6. Step 6: Final answer
    x = 5,284.11

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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.