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Finding the Fourth Proportional to 2,298.93, 3,448.63 and 738.53

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Solution

The fourth proportional to 2,298.93, 3,448.63 and 738.53 is: 1,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.93 : 3,448.63 = 738.53 : x
  2. Step 2: Convert to fraction form
    2,298.93/3,448.63 = 738.53/x
  3. Step 3: Cross multiply
    2,298.93x = 3,448.63 × 738.53
  4. Step 4: Simplify right side
    2,298.93x = 2,546,914.02
  5. Step 5: Solve for x
    x = 2,546,914.02/2,298.93
  6. Step 6: Final answer
    x = 1,107.87

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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.