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Finding the Fourth Proportional to 3,385.99, 4,662.98 and 3,175.04

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Solution

The fourth proportional to 3,385.99, 4,662.98 and 3,175.04 is: 4,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.99 : 4,662.98 = 3,175.04 : x
  2. Step 2: Convert to fraction form
    3,385.99/4,662.98 = 3,175.04/x
  3. Step 3: Cross multiply
    3,385.99x = 4,662.98 × 3,175.04
  4. Step 4: Simplify right side
    3,385.99x = 14,805,120.74
  5. Step 5: Solve for x
    x = 14,805,120.74/3,385.99
  6. Step 6: Final answer
    x = 4,372.46

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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.