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Finding the Fourth Proportional to 2,351.16, 3,527.04 and 790.49

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Solution

The fourth proportional to 2,351.16, 3,527.04 and 790.49 is: 1,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.16 : 3,527.04 = 790.49 : x
  2. Step 2: Convert to fraction form
    2,351.16/3,527.04 = 790.49/x
  3. Step 3: Cross multiply
    2,351.16x = 3,527.04 × 790.49
  4. Step 4: Simplify right side
    2,351.16x = 2,788,072.21
  5. Step 5: Solve for x
    x = 2,788,072.21/2,351.16
  6. Step 6: Final answer
    x = 1,185.83

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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.