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Finding the Fourth Proportional to 1,773.84, 2,448.36 and 1,028.25

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Solution

The fourth proportional to 1,773.84, 2,448.36 and 1,028.25 is: 1,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.84 : 2,448.36 = 1,028.25 : x
  2. Step 2: Convert to fraction form
    1,773.84/2,448.36 = 1,028.25/x
  3. Step 3: Cross multiply
    1,773.84x = 2,448.36 × 1,028.25
  4. Step 4: Simplify right side
    1,773.84x = 2,517,526.17
  5. Step 5: Solve for x
    x = 2,517,526.17/1,773.84
  6. Step 6: Final answer
    x = 1,419.25

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1.5x scale

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.