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Finding the Fourth Proportional to 1,735.93, 2,602.75 and 956.31

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Solution

The fourth proportional to 1,735.93, 2,602.75 and 956.31 is: 1,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.93 : 2,602.75 = 956.31 : x
  2. Step 2: Convert to fraction form
    1,735.93/2,602.75 = 956.31/x
  3. Step 3: Cross multiply
    1,735.93x = 2,602.75 × 956.31
  4. Step 4: Simplify right side
    1,735.93x = 2,489,021.46
  5. Step 5: Solve for x
    x = 2,489,021.46/1,735.93
  6. Step 6: Final answer
    x = 1,433.82

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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.