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Finding the Fourth Proportional to 1,953.88, 2,696.04 and 1,114.44

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Solution

The fourth proportional to 1,953.88, 2,696.04 and 1,114.44 is: 1,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.88 : 2,696.04 = 1,114.44 : x
  2. Step 2: Convert to fraction form
    1,953.88/2,696.04 = 1,114.44/x
  3. Step 3: Cross multiply
    1,953.88x = 2,696.04 × 1,114.44
  4. Step 4: Simplify right side
    1,953.88x = 3,004,574.82
  5. Step 5: Solve for x
    x = 3,004,574.82/1,953.88
  6. Step 6: Final answer
    x = 1,537.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.