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Finding the Fourth Proportional to 3,467.54, 4,807.21 and 3,280.52

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Solution

The fourth proportional to 3,467.54, 4,807.21 and 3,280.52 is: 4,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.54 : 4,807.21 = 3,280.52 : x
  2. Step 2: Convert to fraction form
    3,467.54/4,807.21 = 3,280.52/x
  3. Step 3: Cross multiply
    3,467.54x = 4,807.21 × 3,280.52
  4. Step 4: Simplify right side
    3,467.54x = 15,770,132.15
  5. Step 5: Solve for x
    x = 15,770,132.15/3,467.54
  6. Step 6: Final answer
    x = 4,547.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.