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Finding the Fourth Proportional to 1,710.81, 2,361.31 and 1,048.03

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Solution

The fourth proportional to 1,710.81, 2,361.31 and 1,048.03 is: 1,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.81 : 2,361.31 = 1,048.03 : x
  2. Step 2: Convert to fraction form
    1,710.81/2,361.31 = 1,048.03/x
  3. Step 3: Cross multiply
    1,710.81x = 2,361.31 × 1,048.03
  4. Step 4: Simplify right side
    1,710.81x = 2,474,729.21
  5. Step 5: Solve for x
    x = 2,474,729.21/1,710.81
  6. Step 6: Final answer
    x = 1,446.52

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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.