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Finding the Fourth Proportional to 49,940.64, 74,921.76 and 14,883.12

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Solution

The fourth proportional to 49,940.64, 74,921.76 and 14,883.12 is: 22,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,940.64 : 74,921.76 = 14,883.12 : x
  2. Step 2: Convert to fraction form
    49,940.64/74,921.76 = 14,883.12/x
  3. Step 3: Cross multiply
    49,940.64x = 74,921.76 × 14,883.12
  4. Step 4: Simplify right side
    49,940.64x = 1,115,069,544.69
  5. Step 5: Solve for x
    x = 1,115,069,544.69/49,940.64
  6. Step 6: Final answer
    x = 22,327.90

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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.