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Finding the Fourth Proportional to 1,955.96, 2,699.27 and 1,071.82

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Solution

The fourth proportional to 1,955.96, 2,699.27 and 1,071.82 is: 1,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.96 : 2,699.27 = 1,071.82 : x
  2. Step 2: Convert to fraction form
    1,955.96/2,699.27 = 1,071.82/x
  3. Step 3: Cross multiply
    1,955.96x = 2,699.27 × 1,071.82
  4. Step 4: Simplify right side
    1,955.96x = 2,893,127.50
  5. Step 5: Solve for x
    x = 2,893,127.50/1,955.96
  6. Step 6: Final answer
    x = 1,479.14

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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.