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Finding the Fourth Proportional to 3,050.94, 4,577.22 and 971

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Solution

The fourth proportional to 3,050.94, 4,577.22 and 971 is: 1,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.94 : 4,577.22 = 971 : x
  2. Step 2: Convert to fraction form
    3,050.94/4,577.22 = 971/x
  3. Step 3: Cross multiply
    3,050.94x = 4,577.22 × 971
  4. Step 4: Simplify right side
    3,050.94x = 4,444,480.62
  5. Step 5: Solve for x
    x = 4,444,480.62/3,050.94
  6. Step 6: Final answer
    x = 1,456.76

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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.