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Finding the Fourth Proportional to 1,384.03, 1,910.00 and 794.55

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Solution

The fourth proportional to 1,384.03, 1,910.00 and 794.55 is: 1,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.03 : 1,910.00 = 794.55 : x
  2. Step 2: Convert to fraction form
    1,384.03/1,910.00 = 794.55/x
  3. Step 3: Cross multiply
    1,384.03x = 1,910.00 × 794.55
  4. Step 4: Simplify right side
    1,384.03x = 1,517,592.49
  5. Step 5: Solve for x
    x = 1,517,592.49/1,384.03
  6. Step 6: Final answer
    x = 1,096.50

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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.