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Finding the Fourth Proportional to 2,953, 4,075.14 and 1,711.24

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Solution

The fourth proportional to 2,953, 4,075.14 and 1,711.24 is: 2,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953 : 4,075.14 = 1,711.24 : x
  2. Step 2: Convert to fraction form
    2,953/4,075.14 = 1,711.24/x
  3. Step 3: Cross multiply
    2,953x = 4,075.14 × 1,711.24
  4. Step 4: Simplify right side
    2,953x = 6,973,542.57
  5. Step 5: Solve for x
    x = 6,973,542.57/2,953
  6. Step 6: Final answer
    x = 2,361.51

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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.