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Finding the Fourth Proportional to 4,609.33, 6,918.15 and 3,124.96

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Solution

The fourth proportional to 4,609.33, 6,918.15 and 3,124.96 is: 4,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.33 : 6,918.15 = 3,124.96 : x
  2. Step 2: Convert to fraction form
    4,609.33/6,918.15 = 3,124.96/x
  3. Step 3: Cross multiply
    4,609.33x = 6,918.15 × 3,124.96
  4. Step 4: Simplify right side
    4,609.33x = 21,618,942.02
  5. Step 5: Solve for x
    x = 21,618,942.02/4,609.33
  6. Step 6: Final answer
    x = 4,690.26

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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.