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Finding the Fourth Proportional to 1,795.94, 2,477.57 and 1,297.79

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Solution

The fourth proportional to 1,795.94, 2,477.57 and 1,297.79 is: 1,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.94 : 2,477.57 = 1,297.79 : x
  2. Step 2: Convert to fraction form
    1,795.94/2,477.57 = 1,297.79/x
  3. Step 3: Cross multiply
    1,795.94x = 2,477.57 × 1,297.79
  4. Step 4: Simplify right side
    1,795.94x = 3,215,356.43
  5. Step 5: Solve for x
    x = 3,215,356.43/1,795.94
  6. Step 6: Final answer
    x = 1,790.35

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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.