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Finding the Fourth Proportional to 3,209.03, 4,813.79 and 1,017.93

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Solution

The fourth proportional to 3,209.03, 4,813.79 and 1,017.93 is: 1,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.03 : 4,813.79 = 1,017.93 : x
  2. Step 2: Convert to fraction form
    3,209.03/4,813.79 = 1,017.93/x
  3. Step 3: Cross multiply
    3,209.03x = 4,813.79 × 1,017.93
  4. Step 4: Simplify right side
    3,209.03x = 4,900,101.25
  5. Step 5: Solve for x
    x = 4,900,101.25/3,209.03
  6. Step 6: Final answer
    x = 1,526.97

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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.