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Finding the Fourth Proportional to 5,938.70, 8,907.99 and 3,164.66

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Solution

The fourth proportional to 5,938.70, 8,907.99 and 3,164.66 is: 4,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.70 : 8,907.99 = 3,164.66 : x
  2. Step 2: Convert to fraction form
    5,938.70/8,907.99 = 3,164.66/x
  3. Step 3: Cross multiply
    5,938.70x = 8,907.99 × 3,164.66
  4. Step 4: Simplify right side
    5,938.70x = 28,190,715.09
  5. Step 5: Solve for x
    x = 28,190,715.09/5,938.70
  6. Step 6: Final answer
    x = 4,746.95

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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.