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Finding the Fourth Proportional to 2,434.41, 3,651.93 and 790.41

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Solution

The fourth proportional to 2,434.41, 3,651.93 and 790.41 is: 1,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.41 : 3,651.93 = 790.41 : x
  2. Step 2: Convert to fraction form
    2,434.41/3,651.93 = 790.41/x
  3. Step 3: Cross multiply
    2,434.41x = 3,651.93 × 790.41
  4. Step 4: Simplify right side
    2,434.41x = 2,886,521.99
  5. Step 5: Solve for x
    x = 2,886,521.99/2,434.41
  6. Step 6: Final answer
    x = 1,185.72

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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.