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Finding the Fourth Proportional to 8,865.64, 13,274.46 and 5,937.64

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Solution

The fourth proportional to 8,865.64, 13,274.46 and 5,937.64 is: 8,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.64 : 13,274.46 = 5,937.64 : x
  2. Step 2: Convert to fraction form
    8,865.64/13,274.46 = 5,937.64/x
  3. Step 3: Cross multiply
    8,865.64x = 13,274.46 × 5,937.64
  4. Step 4: Simplify right side
    8,865.64x = 78,818,964.67
  5. Step 5: Solve for x
    x = 78,818,964.67/8,865.64
  6. Step 6: Final answer
    x = 8,890.39

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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.