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Finding the Fourth Proportional to 16,411.94, 24,600.23 and 7,960.55

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Solution

The fourth proportional to 16,411.94, 24,600.23 and 7,960.55 is: 11,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,411.94 : 24,600.23 = 7,960.55 : x
  2. Step 2: Convert to fraction form
    16,411.94/24,600.23 = 7,960.55/x
  3. Step 3: Cross multiply
    16,411.94x = 24,600.23 × 7,960.55
  4. Step 4: Simplify right side
    16,411.94x = 195,831,321.12
  5. Step 5: Solve for x
    x = 195,831,321.12/16,411.94
  6. Step 6: Final answer
    x = 11,932.25

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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.