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Finding the Fourth Proportional to 2,751.84, 4,126.95 and 1,020.06

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Solution

The fourth proportional to 2,751.84, 4,126.95 and 1,020.06 is: 1,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.84 : 4,126.95 = 1,020.06 : x
  2. Step 2: Convert to fraction form
    2,751.84/4,126.95 = 1,020.06/x
  3. Step 3: Cross multiply
    2,751.84x = 4,126.95 × 1,020.06
  4. Step 4: Simplify right side
    2,751.84x = 4,209,736.62
  5. Step 5: Solve for x
    x = 4,209,736.62/2,751.84
  6. Step 6: Final answer
    x = 1,529.79

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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.