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Finding the Fourth Proportional to 2,433.51, 3,651.08 and 790.11

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Solution

The fourth proportional to 2,433.51, 3,651.08 and 790.11 is: 1,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.51 : 3,651.08 = 790.11 : x
  2. Step 2: Convert to fraction form
    2,433.51/3,651.08 = 790.11/x
  3. Step 3: Cross multiply
    2,433.51x = 3,651.08 × 790.11
  4. Step 4: Simplify right side
    2,433.51x = 2,884,750.87
  5. Step 5: Solve for x
    x = 2,884,750.87/2,433.51
  6. Step 6: Final answer
    x = 1,185.43

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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.