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Finding the Fourth Proportional to 1,711.90, 2,361.58 and 1,475.44

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Solution

The fourth proportional to 1,711.90, 2,361.58 and 1,475.44 is: 2,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.90 : 2,361.58 = 1,475.44 : x
  2. Step 2: Convert to fraction form
    1,711.90/2,361.58 = 1,475.44/x
  3. Step 3: Cross multiply
    1,711.90x = 2,361.58 × 1,475.44
  4. Step 4: Simplify right side
    1,711.90x = 3,484,369.60
  5. Step 5: Solve for x
    x = 3,484,369.60/1,711.90
  6. Step 6: Final answer
    x = 2,035.38

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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.