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Finding the Fourth Proportional to 1,400.94, 1,935.75 and 1,152.06

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Solution

The fourth proportional to 1,400.94, 1,935.75 and 1,152.06 is: 1,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.94 : 1,935.75 = 1,152.06 : x
  2. Step 2: Convert to fraction form
    1,400.94/1,935.75 = 1,152.06/x
  3. Step 3: Cross multiply
    1,400.94x = 1,935.75 × 1,152.06
  4. Step 4: Simplify right side
    1,400.94x = 2,230,100.15
  5. Step 5: Solve for x
    x = 2,230,100.15/1,400.94
  6. Step 6: Final answer
    x = 1,591.86

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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.