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Finding the Fourth Proportional to 2,365.93, 3,549.20 and 1,268.79

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Solution

The fourth proportional to 2,365.93, 3,549.20 and 1,268.79 is: 1,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.93 : 3,549.20 = 1,268.79 : x
  2. Step 2: Convert to fraction form
    2,365.93/3,549.20 = 1,268.79/x
  3. Step 3: Cross multiply
    2,365.93x = 3,549.20 × 1,268.79
  4. Step 4: Simplify right side
    2,365.93x = 4,503,189.47
  5. Step 5: Solve for x
    x = 4,503,189.47/2,365.93
  6. Step 6: Final answer
    x = 1,903.35

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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.