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Finding the Fourth Proportional to 1,750.85, 2,626.23 and 710.57

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Solution

The fourth proportional to 1,750.85, 2,626.23 and 710.57 is: 1,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.85 : 2,626.23 = 710.57 : x
  2. Step 2: Convert to fraction form
    1,750.85/2,626.23 = 710.57/x
  3. Step 3: Cross multiply
    1,750.85x = 2,626.23 × 710.57
  4. Step 4: Simplify right side
    1,750.85x = 1,866,120.25
  5. Step 5: Solve for x
    x = 1,866,120.25/1,750.85
  6. Step 6: Final answer
    x = 1,065.84

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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.