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Finding the Fourth Proportional to 1,722.94, 2,377.62 and 1,050.99

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Solution

The fourth proportional to 1,722.94, 2,377.62 and 1,050.99 is: 1,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.94 : 2,377.62 = 1,050.99 : x
  2. Step 2: Convert to fraction form
    1,722.94/2,377.62 = 1,050.99/x
  3. Step 3: Cross multiply
    1,722.94x = 2,377.62 × 1,050.99
  4. Step 4: Simplify right side
    1,722.94x = 2,498,854.84
  5. Step 5: Solve for x
    x = 2,498,854.84/1,722.94
  6. Step 6: Final answer
    x = 1,450.34

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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.