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Finding the Fourth Proportional to 4,883.81, 7,321.23 and 1,763.09

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Solution

The fourth proportional to 4,883.81, 7,321.23 and 1,763.09 is: 2,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.81 : 7,321.23 = 1,763.09 : x
  2. Step 2: Convert to fraction form
    4,883.81/7,321.23 = 1,763.09/x
  3. Step 3: Cross multiply
    4,883.81x = 7,321.23 × 1,763.09
  4. Step 4: Simplify right side
    4,883.81x = 12,907,950.79
  5. Step 5: Solve for x
    x = 12,907,950.79/4,883.81
  6. Step 6: Final answer
    x = 2,643.01

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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.