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Finding the Fourth Proportional to 1,775.51, 2,450.25 and 1,029.51

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Solution

The fourth proportional to 1,775.51, 2,450.25 and 1,029.51 is: 1,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.51 : 2,450.25 = 1,029.51 : x
  2. Step 2: Convert to fraction form
    1,775.51/2,450.25 = 1,029.51/x
  3. Step 3: Cross multiply
    1,775.51x = 2,450.25 × 1,029.51
  4. Step 4: Simplify right side
    1,775.51x = 2,522,556.88
  5. Step 5: Solve for x
    x = 2,522,556.88/1,775.51
  6. Step 6: Final answer
    x = 1,420.75

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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.