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Finding the Fourth Proportional to 3,467.61, 5,201.10 and 1,801.65

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Solution

The fourth proportional to 3,467.61, 5,201.10 and 1,801.65 is: 2,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.61 : 5,201.10 = 1,801.65 : x
  2. Step 2: Convert to fraction form
    3,467.61/5,201.10 = 1,801.65/x
  3. Step 3: Cross multiply
    3,467.61x = 5,201.10 × 1,801.65
  4. Step 4: Simplify right side
    3,467.61x = 9,370,561.82
  5. Step 5: Solve for x
    x = 9,370,561.82/3,467.61
  6. Step 6: Final answer
    x = 2,702.31

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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.