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Finding the Fourth Proportional to 16,399.66, 24,599.41 and 6,405.42

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Solution

The fourth proportional to 16,399.66, 24,599.41 and 6,405.42 is: 9,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.66 : 24,599.41 = 6,405.42 : x
  2. Step 2: Convert to fraction form
    16,399.66/24,599.41 = 6,405.42/x
  3. Step 3: Cross multiply
    16,399.66x = 24,599.41 × 6,405.42
  4. Step 4: Simplify right side
    16,399.66x = 157,569,552.80
  5. Step 5: Solve for x
    x = 157,569,552.80/16,399.66
  6. Step 6: Final answer
    x = 9,608.10

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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.