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Finding the Fourth Proportional to 49,494.80, 74,249.40 and 16,216.40

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Solution

The fourth proportional to 49,494.80, 74,249.40 and 16,216.40 is: 24,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,494.80 : 74,249.40 = 16,216.40 : x
  2. Step 2: Convert to fraction form
    49,494.80/74,249.40 = 16,216.40/x
  3. Step 3: Cross multiply
    49,494.80x = 74,249.40 × 16,216.40
  4. Step 4: Simplify right side
    49,494.80x = 1,204,057,970.16
  5. Step 5: Solve for x
    x = 1,204,057,970.16/49,494.80
  6. Step 6: Final answer
    x = 24,326.96

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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.