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Finding the Fourth Proportional to 2,700.51, 4,050.05 and 752.28

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Solution

The fourth proportional to 2,700.51, 4,050.05 and 752.28 is: 1,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.51 : 4,050.05 = 752.28 : x
  2. Step 2: Convert to fraction form
    2,700.51/4,050.05 = 752.28/x
  3. Step 3: Cross multiply
    2,700.51x = 4,050.05 × 752.28
  4. Step 4: Simplify right side
    2,700.51x = 3,046,767.85
  5. Step 5: Solve for x
    x = 3,046,767.85/2,700.51
  6. Step 6: Final answer
    x = 1,128.22

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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.