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Finding the Fourth Proportional to 5,971.68, 8,958.24 and 1,589.28

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Solution

The fourth proportional to 5,971.68, 8,958.24 and 1,589.28 is: 2,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.68 : 8,958.24 = 1,589.28 : x
  2. Step 2: Convert to fraction form
    5,971.68/8,958.24 = 1,589.28/x
  3. Step 3: Cross multiply
    5,971.68x = 8,958.24 × 1,589.28
  4. Step 4: Simplify right side
    5,971.68x = 14,237,151.67
  5. Step 5: Solve for x
    x = 14,237,151.67/5,971.68
  6. Step 6: Final answer
    x = 2,384.11

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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.