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Finding the Fourth Proportional to 2,699.64, 4,051.26 and 968.25

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Solution

The fourth proportional to 2,699.64, 4,051.26 and 968.25 is: 1,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.64 : 4,051.26 = 968.25 : x
  2. Step 2: Convert to fraction form
    2,699.64/4,051.26 = 968.25/x
  3. Step 3: Cross multiply
    2,699.64x = 4,051.26 × 968.25
  4. Step 4: Simplify right side
    2,699.64x = 3,922,632.50
  5. Step 5: Solve for x
    x = 3,922,632.50/2,699.64
  6. Step 6: Final answer
    x = 1,453.02

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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.