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Finding the Fourth Proportional to 4,922.25, 7,383.38 and 4,798.32

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Solution

The fourth proportional to 4,922.25, 7,383.38 and 4,798.32 is: 7,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.25 : 7,383.38 = 4,798.32 : x
  2. Step 2: Convert to fraction form
    4,922.25/7,383.38 = 4,798.32/x
  3. Step 3: Cross multiply
    4,922.25x = 7,383.38 × 4,798.32
  4. Step 4: Simplify right side
    4,922.25x = 35,427,795.93
  5. Step 5: Solve for x
    x = 35,427,795.93/4,922.25
  6. Step 6: Final answer
    x = 7,197.48

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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.