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Finding the Fourth Proportional to 8,631.03, 12,937.83 and 3,362.75

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Solution

The fourth proportional to 8,631.03, 12,937.83 and 3,362.75 is: 5,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.03 : 12,937.83 = 3,362.75 : x
  2. Step 2: Convert to fraction form
    8,631.03/12,937.83 = 3,362.75/x
  3. Step 3: Cross multiply
    8,631.03x = 12,937.83 × 3,362.75
  4. Step 4: Simplify right side
    8,631.03x = 43,506,623.14
  5. Step 5: Solve for x
    x = 43,506,623.14/8,631.03
  6. Step 6: Final answer
    x = 5,040.72

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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.