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Finding the Fourth Proportional to 1,694.34, 2,336.18 and 1,602

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Solution

The fourth proportional to 1,694.34, 2,336.18 and 1,602 is: 2,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.34 : 2,336.18 = 1,602 : x
  2. Step 2: Convert to fraction form
    1,694.34/2,336.18 = 1,602/x
  3. Step 3: Cross multiply
    1,694.34x = 2,336.18 × 1,602
  4. Step 4: Simplify right side
    1,694.34x = 3,742,552.35
  5. Step 5: Solve for x
    x = 3,742,552.35/1,694.34
  6. Step 6: Final answer
    x = 2,208.86

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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.