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Finding the Fourth Proportional to 1,735.46, 2,603.12 and 695.93

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Solution

The fourth proportional to 1,735.46, 2,603.12 and 695.93 is: 1,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.46 : 2,603.12 = 695.93 : x
  2. Step 2: Convert to fraction form
    1,735.46/2,603.12 = 695.93/x
  3. Step 3: Cross multiply
    1,735.46x = 2,603.12 × 695.93
  4. Step 4: Simplify right side
    1,735.46x = 1,811,572.81
  5. Step 5: Solve for x
    x = 1,811,572.81/1,735.46
  6. Step 6: Final answer
    x = 1,043.86

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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.