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Finding the Fourth Proportional to 16,331.60, 24,497.40 and 15,424.40

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Solution

The fourth proportional to 16,331.60, 24,497.40 and 15,424.40 is: 23,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.60 : 24,497.40 = 15,424.40 : x
  2. Step 2: Convert to fraction form
    16,331.60/24,497.40 = 15,424.40/x
  3. Step 3: Cross multiply
    16,331.60x = 24,497.40 × 15,424.40
  4. Step 4: Simplify right side
    16,331.60x = 377,857,696.56
  5. Step 5: Solve for x
    x = 377,857,696.56/16,331.60
  6. Step 6: Final answer
    x = 23,136.60

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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.