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Finding the Fourth Proportional to 7,967.79, 11,952.46 and 2,903.36

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Solution

The fourth proportional to 7,967.79, 11,952.46 and 2,903.36 is: 4,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.79 : 11,952.46 = 2,903.36 : x
  2. Step 2: Convert to fraction form
    7,967.79/11,952.46 = 2,903.36/x
  3. Step 3: Cross multiply
    7,967.79x = 11,952.46 × 2,903.36
  4. Step 4: Simplify right side
    7,967.79x = 34,702,234.50
  5. Step 5: Solve for x
    x = 34,702,234.50/7,967.79
  6. Step 6: Final answer
    x = 4,355.31

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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.