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Finding the Fourth Proportional to 1,751.04, 2,626.47 and 518.46

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Solution

The fourth proportional to 1,751.04, 2,626.47 and 518.46 is: 777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.04 : 2,626.47 = 518.46 : x
  2. Step 2: Convert to fraction form
    1,751.04/2,626.47 = 518.46/x
  3. Step 3: Cross multiply
    1,751.04x = 2,626.47 × 518.46
  4. Step 4: Simplify right side
    1,751.04x = 1,361,719.64
  5. Step 5: Solve for x
    x = 1,361,719.64/1,751.04
  6. Step 6: Final answer
    x = 777.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.