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Finding the Fourth Proportional to 5,971.92, 8,954.64 and 1,810.68

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Solution

The fourth proportional to 5,971.92, 8,954.64 and 1,810.68 is: 2,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.92 : 8,954.64 = 1,810.68 : x
  2. Step 2: Convert to fraction form
    5,971.92/8,954.64 = 1,810.68/x
  3. Step 3: Cross multiply
    5,971.92x = 8,954.64 × 1,810.68
  4. Step 4: Simplify right side
    5,971.92x = 16,213,987.56
  5. Step 5: Solve for x
    x = 16,213,987.56/5,971.92
  6. Step 6: Final answer
    x = 2,715.04

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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.