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Finding the Fourth Proportional to 8,614.01, 12,921.08 and 2,374.37

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Solution

The fourth proportional to 8,614.01, 12,921.08 and 2,374.37 is: 3,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.01 : 12,921.08 = 2,374.37 : x
  2. Step 2: Convert to fraction form
    8,614.01/12,921.08 = 2,374.37/x
  3. Step 3: Cross multiply
    8,614.01x = 12,921.08 × 2,374.37
  4. Step 4: Simplify right side
    8,614.01x = 30,679,348.24
  5. Step 5: Solve for x
    x = 30,679,348.24/8,614.01
  6. Step 6: Final answer
    x = 3,561.57

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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.