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Finding the Fourth Proportional to 1,955.95, 2,934.25 and 723.36

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Solution

The fourth proportional to 1,955.95, 2,934.25 and 723.36 is: 1,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.95 : 2,934.25 = 723.36 : x
  2. Step 2: Convert to fraction form
    1,955.95/2,934.25 = 723.36/x
  3. Step 3: Cross multiply
    1,955.95x = 2,934.25 × 723.36
  4. Step 4: Simplify right side
    1,955.95x = 2,122,517.27
  5. Step 5: Solve for x
    x = 2,122,517.27/1,955.95
  6. Step 6: Final answer
    x = 1,085.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.