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Finding the Fourth Proportional to 1,953.91, 2,696.55 and 1,114.42

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Solution

The fourth proportional to 1,953.91, 2,696.55 and 1,114.42 is: 1,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.91 : 2,696.55 = 1,114.42 : x
  2. Step 2: Convert to fraction form
    1,953.91/2,696.55 = 1,114.42/x
  3. Step 3: Cross multiply
    1,953.91x = 2,696.55 × 1,114.42
  4. Step 4: Simplify right side
    1,953.91x = 3,005,082.27
  5. Step 5: Solve for x
    x = 3,005,082.27/1,953.91
  6. Step 6: Final answer
    x = 1,537.99

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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.