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Finding the Fourth Proportional to 8,892.62, 13,324.86 and 4,731.50

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Solution

The fourth proportional to 8,892.62, 13,324.86 and 4,731.50 is: 7,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.62 : 13,324.86 = 4,731.50 : x
  2. Step 2: Convert to fraction form
    8,892.62/13,324.86 = 4,731.50/x
  3. Step 3: Cross multiply
    8,892.62x = 13,324.86 × 4,731.50
  4. Step 4: Simplify right side
    8,892.62x = 63,046,575.09
  5. Step 5: Solve for x
    x = 63,046,575.09/8,892.62
  6. Step 6: Final answer
    x = 7,089.76

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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.