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Finding the Fourth Proportional to 1,935.50, 2,670.98 and 1,051.29

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Solution

The fourth proportional to 1,935.50, 2,670.98 and 1,051.29 is: 1,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.50 : 2,670.98 = 1,051.29 : x
  2. Step 2: Convert to fraction form
    1,935.50/2,670.98 = 1,051.29/x
  3. Step 3: Cross multiply
    1,935.50x = 2,670.98 × 1,051.29
  4. Step 4: Simplify right side
    1,935.50x = 2,807,969.31
  5. Step 5: Solve for x
    x = 2,807,969.31/1,935.50
  6. Step 6: Final answer
    x = 1,450.78

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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.