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Finding the Fourth Proportional to 50,000.40, 74,914.20 and 41,187.60

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Solution

The fourth proportional to 50,000.40, 74,914.20 and 41,187.60 is: 61,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,000.40 : 74,914.20 = 41,187.60 : x
  2. Step 2: Convert to fraction form
    50,000.40/74,914.20 = 41,187.60/x
  3. Step 3: Cross multiply
    50,000.40x = 74,914.20 × 41,187.60
  4. Step 4: Simplify right side
    50,000.40x = 3,085,536,103.92
  5. Step 5: Solve for x
    x = 3,085,536,103.92/50,000.40
  6. Step 6: Final answer
    x = 61,710.23

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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.