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Finding the Fourth Proportional to 2,700.46, 4,050.69 and 752.68

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Solution

The fourth proportional to 2,700.46, 4,050.69 and 752.68 is: 1,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.46 : 4,050.69 = 752.68 : x
  2. Step 2: Convert to fraction form
    2,700.46/4,050.69 = 752.68/x
  3. Step 3: Cross multiply
    2,700.46x = 4,050.69 × 752.68
  4. Step 4: Simplify right side
    2,700.46x = 3,048,873.35
  5. Step 5: Solve for x
    x = 3,048,873.35/2,700.46
  6. Step 6: Final answer
    x = 1,129.02

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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.