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Finding the Fourth Proportional to 1,295.73, 1,950.66 and 1,180.94

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Solution

The fourth proportional to 1,295.73, 1,950.66 and 1,180.94 is: 1,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.73 : 1,950.66 = 1,180.94 : x
  2. Step 2: Convert to fraction form
    1,295.73/1,950.66 = 1,180.94/x
  3. Step 3: Cross multiply
    1,295.73x = 1,950.66 × 1,180.94
  4. Step 4: Simplify right side
    1,295.73x = 2,303,602.67
  5. Step 5: Solve for x
    x = 2,303,602.67/1,295.73
  6. Step 6: Final answer
    x = 1,777.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.