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Finding the Fourth Proportional to 3,385.65, 4,672.24 and 1,893.59

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Solution

The fourth proportional to 3,385.65, 4,672.24 and 1,893.59 is: 2,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.65 : 4,672.24 = 1,893.59 : x
  2. Step 2: Convert to fraction form
    3,385.65/4,672.24 = 1,893.59/x
  3. Step 3: Cross multiply
    3,385.65x = 4,672.24 × 1,893.59
  4. Step 4: Simplify right side
    3,385.65x = 8,847,306.94
  5. Step 5: Solve for x
    x = 8,847,306.94/3,385.65
  6. Step 6: Final answer
    x = 2,613.18

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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.