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Finding the Fourth Proportional to 2,069.94, 3,104.85 and 530.94

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Solution

The fourth proportional to 2,069.94, 3,104.85 and 530.94 is: 796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.94 : 3,104.85 = 530.94 : x
  2. Step 2: Convert to fraction form
    2,069.94/3,104.85 = 530.94/x
  3. Step 3: Cross multiply
    2,069.94x = 3,104.85 × 530.94
  4. Step 4: Simplify right side
    2,069.94x = 1,648,489.06
  5. Step 5: Solve for x
    x = 1,648,489.06/2,069.94
  6. Step 6: Final answer
    x = 796.39

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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.