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Finding the Fourth Proportional to 1,384.03, 1,910.10 and 794.75

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Solution

The fourth proportional to 1,384.03, 1,910.10 and 794.75 is: 1,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.03 : 1,910.10 = 794.75 : x
  2. Step 2: Convert to fraction form
    1,384.03/1,910.10 = 794.75/x
  3. Step 3: Cross multiply
    1,384.03x = 1,910.10 × 794.75
  4. Step 4: Simplify right side
    1,384.03x = 1,518,051.98
  5. Step 5: Solve for x
    x = 1,518,051.98/1,384.03
  6. Step 6: Final answer
    x = 1,096.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.