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Finding the Fourth Proportional to 1,734.52, 2,393.68 and 948.55

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Solution

The fourth proportional to 1,734.52, 2,393.68 and 948.55 is: 1,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.52 : 2,393.68 = 948.55 : x
  2. Step 2: Convert to fraction form
    1,734.52/2,393.68 = 948.55/x
  3. Step 3: Cross multiply
    1,734.52x = 2,393.68 × 948.55
  4. Step 4: Simplify right side
    1,734.52x = 2,270,525.16
  5. Step 5: Solve for x
    x = 2,270,525.16/1,734.52
  6. Step 6: Final answer
    x = 1,309.02

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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.