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Finding the Fourth Proportional to 2,501.86, 3,751.50 and 1,185.22

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Solution

The fourth proportional to 2,501.86, 3,751.50 and 1,185.22 is: 1,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.86 : 3,751.50 = 1,185.22 : x
  2. Step 2: Convert to fraction form
    2,501.86/3,751.50 = 1,185.22/x
  3. Step 3: Cross multiply
    2,501.86x = 3,751.50 × 1,185.22
  4. Step 4: Simplify right side
    2,501.86x = 4,446,352.83
  5. Step 5: Solve for x
    x = 4,446,352.83/2,501.86
  6. Step 6: Final answer
    x = 1,777.22

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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.