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Finding the Fourth Proportional to 4,923.75, 7,385.63 and 4,799.82

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Solution

The fourth proportional to 4,923.75, 7,385.63 and 4,799.82 is: 7,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.75 : 7,385.63 = 4,799.82 : x
  2. Step 2: Convert to fraction form
    4,923.75/7,385.63 = 4,799.82/x
  3. Step 3: Cross multiply
    4,923.75x = 7,385.63 × 4,799.82
  4. Step 4: Simplify right side
    4,923.75x = 35,449,670.59
  5. Step 5: Solve for x
    x = 35,449,670.59/4,923.75
  6. Step 6: Final answer
    x = 7,199.73

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Similar ratio
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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.