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Finding the Fourth Proportional to 2,699.08, 4,048.28 and 944.02

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Solution

The fourth proportional to 2,699.08, 4,048.28 and 944.02 is: 1,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.08 : 4,048.28 = 944.02 : x
  2. Step 2: Convert to fraction form
    2,699.08/4,048.28 = 944.02/x
  3. Step 3: Cross multiply
    2,699.08x = 4,048.28 × 944.02
  4. Step 4: Simplify right side
    2,699.08x = 3,821,640.16
  5. Step 5: Solve for x
    x = 3,821,640.16/2,699.08
  6. Step 6: Final answer
    x = 1,415.90

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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.