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Finding the Fourth Proportional to 1,754.84, 2,629.22 and 933.50

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Solution

The fourth proportional to 1,754.84, 2,629.22 and 933.50 is: 1,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.84 : 2,629.22 = 933.50 : x
  2. Step 2: Convert to fraction form
    1,754.84/2,629.22 = 933.50/x
  3. Step 3: Cross multiply
    1,754.84x = 2,629.22 × 933.50
  4. Step 4: Simplify right side
    1,754.84x = 2,454,376.87
  5. Step 5: Solve for x
    x = 2,454,376.87/1,754.84
  6. Step 6: Final answer
    x = 1,398.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.