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Finding the Fourth Proportional to 6,072.80, 9,114.04 and 3,151.92

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Solution

The fourth proportional to 6,072.80, 9,114.04 and 3,151.92 is: 4,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.80 : 9,114.04 = 3,151.92 : x
  2. Step 2: Convert to fraction form
    6,072.80/9,114.04 = 3,151.92/x
  3. Step 3: Cross multiply
    6,072.80x = 9,114.04 × 3,151.92
  4. Step 4: Simplify right side
    6,072.80x = 28,726,724.96
  5. Step 5: Solve for x
    x = 28,726,724.96/6,072.80
  6. Step 6: Final answer
    x = 4,730.39

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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.