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Finding the Fourth Proportional to 1,849.50, 2,774.25 and 875.37

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Solution

The fourth proportional to 1,849.50, 2,774.25 and 875.37 is: 1,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.50 : 2,774.25 = 875.37 : x
  2. Step 2: Convert to fraction form
    1,849.50/2,774.25 = 875.37/x
  3. Step 3: Cross multiply
    1,849.50x = 2,774.25 × 875.37
  4. Step 4: Simplify right side
    1,849.50x = 2,428,495.22
  5. Step 5: Solve for x
    x = 2,428,495.22/1,849.50
  6. Step 6: Final answer
    x = 1,313.06

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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.