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Finding the Fourth Proportional to 1,706.44, 2,352.58 and 1,669.64

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Solution

The fourth proportional to 1,706.44, 2,352.58 and 1,669.64 is: 2,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.44 : 2,352.58 = 1,669.64 : x
  2. Step 2: Convert to fraction form
    1,706.44/2,352.58 = 1,669.64/x
  3. Step 3: Cross multiply
    1,706.44x = 2,352.58 × 1,669.64
  4. Step 4: Simplify right side
    1,706.44x = 3,927,961.67
  5. Step 5: Solve for x
    x = 3,927,961.67/1,706.44
  6. Step 6: Final answer
    x = 2,301.85

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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.