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Finding the Fourth Proportional to 49,445.80, 74,175.90 and 16,157.80

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Solution

The fourth proportional to 49,445.80, 74,175.90 and 16,157.80 is: 24,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,445.80 : 74,175.90 = 16,157.80 : x
  2. Step 2: Convert to fraction form
    49,445.80/74,175.90 = 16,157.80/x
  3. Step 3: Cross multiply
    49,445.80x = 74,175.90 × 16,157.80
  4. Step 4: Simplify right side
    49,445.80x = 1,198,519,357.02
  5. Step 5: Solve for x
    x = 1,198,519,357.02/49,445.80
  6. Step 6: Final answer
    x = 24,239.05

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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.