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Finding the Fourth Proportional to 1,735.98, 2,603.16 and 695.58

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Solution

The fourth proportional to 1,735.98, 2,603.16 and 695.58 is: 1,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.98 : 2,603.16 = 695.58 : x
  2. Step 2: Convert to fraction form
    1,735.98/2,603.16 = 695.58/x
  3. Step 3: Cross multiply
    1,735.98x = 2,603.16 × 695.58
  4. Step 4: Simplify right side
    1,735.98x = 1,810,706.03
  5. Step 5: Solve for x
    x = 1,810,706.03/1,735.98
  6. Step 6: Final answer
    x = 1,043.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.