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Finding the Fourth Proportional to 1,796.16, 2,478.62 and 1,050.32

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Solution

The fourth proportional to 1,796.16, 2,478.62 and 1,050.32 is: 1,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.16 : 2,478.62 = 1,050.32 : x
  2. Step 2: Convert to fraction form
    1,796.16/2,478.62 = 1,050.32/x
  3. Step 3: Cross multiply
    1,796.16x = 2,478.62 × 1,050.32
  4. Step 4: Simplify right side
    1,796.16x = 2,603,344.16
  5. Step 5: Solve for x
    x = 2,603,344.16/1,796.16
  6. Step 6: Final answer
    x = 1,449.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.