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Finding the Fourth Proportional to 5,163.46, 7,784.09 and 4,829.38

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Solution

The fourth proportional to 5,163.46, 7,784.09 and 4,829.38 is: 7,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.46 : 7,784.09 = 4,829.38 : x
  2. Step 2: Convert to fraction form
    5,163.46/7,784.09 = 4,829.38/x
  3. Step 3: Cross multiply
    5,163.46x = 7,784.09 × 4,829.38
  4. Step 4: Simplify right side
    5,163.46x = 37,592,328.56
  5. Step 5: Solve for x
    x = 37,592,328.56/5,163.46
  6. Step 6: Final answer
    x = 7,280.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.