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Finding the Fourth Proportional to 1,735.71, 2,603.72 and 695.44

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Solution

The fourth proportional to 1,735.71, 2,603.72 and 695.44 is: 1,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.71 : 2,603.72 = 695.44 : x
  2. Step 2: Convert to fraction form
    1,735.71/2,603.72 = 695.44/x
  3. Step 3: Cross multiply
    1,735.71x = 2,603.72 × 695.44
  4. Step 4: Simplify right side
    1,735.71x = 1,810,731.04
  5. Step 5: Solve for x
    x = 1,810,731.04/1,735.71
  6. Step 6: Final answer
    x = 1,043.22

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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.