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Finding the Fourth Proportional to 1,341, 1,850.58 and 875.25

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Solution

The fourth proportional to 1,341, 1,850.58 and 875.25 is: 1,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341 : 1,850.58 = 875.25 : x
  2. Step 2: Convert to fraction form
    1,341/1,850.58 = 875.25/x
  3. Step 3: Cross multiply
    1,341x = 1,850.58 × 875.25
  4. Step 4: Simplify right side
    1,341x = 1,619,720.15
  5. Step 5: Solve for x
    x = 1,619,720.15/1,341
  6. Step 6: Final answer
    x = 1,207.85

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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.