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Finding the Fourth Proportional to 3,050.46, 4,574.05 and 969.90

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Solution

The fourth proportional to 3,050.46, 4,574.05 and 969.90 is: 1,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.46 : 4,574.05 = 969.90 : x
  2. Step 2: Convert to fraction form
    3,050.46/4,574.05 = 969.90/x
  3. Step 3: Cross multiply
    3,050.46x = 4,574.05 × 969.90
  4. Step 4: Simplify right side
    3,050.46x = 4,436,371.10
  5. Step 5: Solve for x
    x = 4,436,371.10/3,050.46
  6. Step 6: Final answer
    x = 1,454.33

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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.