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Finding the Fourth Proportional to 1,730.08, 2,595.03 and 755.56

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Solution

The fourth proportional to 1,730.08, 2,595.03 and 755.56 is: 1,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.08 : 2,595.03 = 755.56 : x
  2. Step 2: Convert to fraction form
    1,730.08/2,595.03 = 755.56/x
  3. Step 3: Cross multiply
    1,730.08x = 2,595.03 × 755.56
  4. Step 4: Simplify right side
    1,730.08x = 1,960,700.87
  5. Step 5: Solve for x
    x = 1,960,700.87/1,730.08
  6. Step 6: Final answer
    x = 1,133.30

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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.