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Finding the Fourth Proportional to 3,900.11, 5,850.14 and 1,303.02

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Solution

The fourth proportional to 3,900.11, 5,850.14 and 1,303.02 is: 1,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.11 : 5,850.14 = 1,303.02 : x
  2. Step 2: Convert to fraction form
    3,900.11/5,850.14 = 1,303.02/x
  3. Step 3: Cross multiply
    3,900.11x = 5,850.14 × 1,303.02
  4. Step 4: Simplify right side
    3,900.11x = 7,622,842.91
  5. Step 5: Solve for x
    x = 7,622,842.91/3,900.11
  6. Step 6: Final answer
    x = 1,954.52

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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.