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Finding the Fourth Proportional to 1,374.27, 1,895.61 and 954.42

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Solution

The fourth proportional to 1,374.27, 1,895.61 and 954.42 is: 1,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.27 : 1,895.61 = 954.42 : x
  2. Step 2: Convert to fraction form
    1,374.27/1,895.61 = 954.42/x
  3. Step 3: Cross multiply
    1,374.27x = 1,895.61 × 954.42
  4. Step 4: Simplify right side
    1,374.27x = 1,809,208.10
  5. Step 5: Solve for x
    x = 1,809,208.10/1,374.27
  6. Step 6: Final answer
    x = 1,316.49

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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.