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Finding the Fourth Proportional to 1,707, 2,360.52 and 1,629.66

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Solution

The fourth proportional to 1,707, 2,360.52 and 1,629.66 is: 2,253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707 : 2,360.52 = 1,629.66 : x
  2. Step 2: Convert to fraction form
    1,707/2,360.52 = 1,629.66/x
  3. Step 3: Cross multiply
    1,707x = 2,360.52 × 1,629.66
  4. Step 4: Simplify right side
    1,707x = 3,846,845.02
  5. Step 5: Solve for x
    x = 3,846,845.02/1,707
  6. Step 6: Final answer
    x = 2,253.57

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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.