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Finding the Fourth Proportional to 1,382.94, 1,908.27 and 793.35

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Solution

The fourth proportional to 1,382.94, 1,908.27 and 793.35 is: 1,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382.94 : 1,908.27 = 793.35 : x
  2. Step 2: Convert to fraction form
    1,382.94/1,908.27 = 793.35/x
  3. Step 3: Cross multiply
    1,382.94x = 1,908.27 × 793.35
  4. Step 4: Simplify right side
    1,382.94x = 1,513,926.00
  5. Step 5: Solve for x
    x = 1,513,926.00/1,382.94
  6. Step 6: Final answer
    x = 1,094.72

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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.