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Finding the Fourth Proportional to 24,600.65, 36,900.66 and 7,960.31

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Solution

The fourth proportional to 24,600.65, 36,900.66 and 7,960.31 is: 11,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,600.65 : 36,900.66 = 7,960.31 : x
  2. Step 2: Convert to fraction form
    24,600.65/36,900.66 = 7,960.31/x
  3. Step 3: Cross multiply
    24,600.65x = 36,900.66 × 7,960.31
  4. Step 4: Simplify right side
    24,600.65x = 293,740,676.53
  5. Step 5: Solve for x
    x = 293,740,676.53/24,600.65
  6. Step 6: Final answer
    x = 11,940.36

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1.5x scale

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.