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Finding the Fourth Proportional to 1,364.50, 1,883.01 and 743.50

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Solution

The fourth proportional to 1,364.50, 1,883.01 and 743.50 is: 1,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.50 : 1,883.01 = 743.50 : x
  2. Step 2: Convert to fraction form
    1,364.50/1,883.01 = 743.50/x
  3. Step 3: Cross multiply
    1,364.50x = 1,883.01 × 743.50
  4. Step 4: Simplify right side
    1,364.50x = 1,400,017.94
  5. Step 5: Solve for x
    x = 1,400,017.94/1,364.50
  6. Step 6: Final answer
    x = 1,026.03

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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.