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Finding the Fourth Proportional to 19,923.40, 29,841.90 and 16,467.40

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Solution

The fourth proportional to 19,923.40, 29,841.90 and 16,467.40 is: 24,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.40 : 29,841.90 = 16,467.40 : x
  2. Step 2: Convert to fraction form
    19,923.40/29,841.90 = 16,467.40/x
  3. Step 3: Cross multiply
    19,923.40x = 29,841.90 × 16,467.40
  4. Step 4: Simplify right side
    19,923.40x = 491,418,504.06
  5. Step 5: Solve for x
    x = 491,418,504.06/19,923.40
  6. Step 6: Final answer
    x = 24,665.39

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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.