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Finding the Fourth Proportional to 49,997.92, 74,996.88 and 20,025.64

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Solution

The fourth proportional to 49,997.92, 74,996.88 and 20,025.64 is: 30,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,997.92 : 74,996.88 = 20,025.64 : x
  2. Step 2: Convert to fraction form
    49,997.92/74,996.88 = 20,025.64/x
  3. Step 3: Cross multiply
    49,997.92x = 74,996.88 × 20,025.64
  4. Step 4: Simplify right side
    49,997.92x = 1,501,860,520.00
  5. Step 5: Solve for x
    x = 1,501,860,520.00/49,997.92
  6. Step 6: Final answer
    x = 30,038.46

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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.