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Finding the Fourth Proportional to 49,375.28, 74,070.60 and 16,087.60

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Solution

The fourth proportional to 49,375.28, 74,070.60 and 16,087.60 is: 24,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,375.28 : 74,070.60 = 16,087.60 : x
  2. Step 2: Convert to fraction form
    49,375.28/74,070.60 = 16,087.60/x
  3. Step 3: Cross multiply
    49,375.28x = 74,070.60 × 16,087.60
  4. Step 4: Simplify right side
    49,375.28x = 1,191,618,184.56
  5. Step 5: Solve for x
    x = 1,191,618,184.56/49,375.28
  6. Step 6: Final answer
    x = 24,133.90

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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.