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Finding the Fourth Proportional to 1,730.59, 2,593.45 and 754.64

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Solution

The fourth proportional to 1,730.59, 2,593.45 and 754.64 is: 1,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.59 : 2,593.45 = 754.64 : x
  2. Step 2: Convert to fraction form
    1,730.59/2,593.45 = 754.64/x
  3. Step 3: Cross multiply
    1,730.59x = 2,593.45 × 754.64
  4. Step 4: Simplify right side
    1,730.59x = 1,957,121.11
  5. Step 5: Solve for x
    x = 1,957,121.11/1,730.59
  6. Step 6: Final answer
    x = 1,130.90

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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.