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Finding the Fourth Proportional to 3,535.70, 4,868.12 and 3,003.44

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Solution

The fourth proportional to 3,535.70, 4,868.12 and 3,003.44 is: 4,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.70 : 4,868.12 = 3,003.44 : x
  2. Step 2: Convert to fraction form
    3,535.70/4,868.12 = 3,003.44/x
  3. Step 3: Cross multiply
    3,535.70x = 4,868.12 × 3,003.44
  4. Step 4: Simplify right side
    3,535.70x = 14,621,106.33
  5. Step 5: Solve for x
    x = 14,621,106.33/3,535.70
  6. Step 6: Final answer
    x = 4,135.28

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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.