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Finding the Fourth Proportional to 3,263.49, 4,895.20 and 798.30

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Solution

The fourth proportional to 3,263.49, 4,895.20 and 798.30 is: 1,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.49 : 4,895.20 = 798.30 : x
  2. Step 2: Convert to fraction form
    3,263.49/4,895.20 = 798.30/x
  3. Step 3: Cross multiply
    3,263.49x = 4,895.20 × 798.30
  4. Step 4: Simplify right side
    3,263.49x = 3,907,838.16
  5. Step 5: Solve for x
    x = 3,907,838.16/3,263.49
  6. Step 6: Final answer
    x = 1,197.44

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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.