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Finding the Fourth Proportional to 1,734.95, 2,394.27 and 949.01

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Solution

The fourth proportional to 1,734.95, 2,394.27 and 949.01 is: 1,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.95 : 2,394.27 = 949.01 : x
  2. Step 2: Convert to fraction form
    1,734.95/2,394.27 = 949.01/x
  3. Step 3: Cross multiply
    1,734.95x = 2,394.27 × 949.01
  4. Step 4: Simplify right side
    1,734.95x = 2,272,174.20
  5. Step 5: Solve for x
    x = 2,272,174.20/1,734.95
  6. Step 6: Final answer
    x = 1,309.65

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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.