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Finding the Fourth Proportional to 4,801.02, 7,200.99 and 1,338.54

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Solution

The fourth proportional to 4,801.02, 7,200.99 and 1,338.54 is: 2,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.02 : 7,200.99 = 1,338.54 : x
  2. Step 2: Convert to fraction form
    4,801.02/7,200.99 = 1,338.54/x
  3. Step 3: Cross multiply
    4,801.02x = 7,200.99 × 1,338.54
  4. Step 4: Simplify right side
    4,801.02x = 9,638,813.15
  5. Step 5: Solve for x
    x = 9,638,813.15/4,801.02
  6. Step 6: Final answer
    x = 2,007.66

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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.