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Finding the Fourth Proportional to 1,682.88, 2,525.48 and 587.25

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Solution

The fourth proportional to 1,682.88, 2,525.48 and 587.25 is: 881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.88 : 2,525.48 = 587.25 : x
  2. Step 2: Convert to fraction form
    1,682.88/2,525.48 = 587.25/x
  3. Step 3: Cross multiply
    1,682.88x = 2,525.48 × 587.25
  4. Step 4: Simplify right side
    1,682.88x = 1,483,075.09
  5. Step 5: Solve for x
    x = 1,483,075.09/1,682.88
  6. Step 6: Final answer
    x = 881.27

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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.