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Finding the Fourth Proportional to 4,923.18, 7,383.06 and 1,635.48

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Solution

The fourth proportional to 4,923.18, 7,383.06 and 1,635.48 is: 2,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.18 : 7,383.06 = 1,635.48 : x
  2. Step 2: Convert to fraction form
    4,923.18/7,383.06 = 1,635.48/x
  3. Step 3: Cross multiply
    4,923.18x = 7,383.06 × 1,635.48
  4. Step 4: Simplify right side
    4,923.18x = 12,074,846.97
  5. Step 5: Solve for x
    x = 12,074,846.97/4,923.18
  6. Step 6: Final answer
    x = 2,452.65

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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.