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Finding the Fourth Proportional to 1,734.63, 2,393.84 and 948.73

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Solution

The fourth proportional to 1,734.63, 2,393.84 and 948.73 is: 1,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.63 : 2,393.84 = 948.73 : x
  2. Step 2: Convert to fraction form
    1,734.63/2,393.84 = 948.73/x
  3. Step 3: Cross multiply
    1,734.63x = 2,393.84 × 948.73
  4. Step 4: Simplify right side
    1,734.63x = 2,271,107.82
  5. Step 5: Solve for x
    x = 2,271,107.82/1,734.63
  6. Step 6: Final answer
    x = 1,309.28

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1.5x scale

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.