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Finding the Fourth Proportional to 49,674.60, 74,504.70 and 14,610.60

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Solution

The fourth proportional to 49,674.60, 74,504.70 and 14,610.60 is: 21,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,674.60 : 74,504.70 = 14,610.60 : x
  2. Step 2: Convert to fraction form
    49,674.60/74,504.70 = 14,610.60/x
  3. Step 3: Cross multiply
    49,674.60x = 74,504.70 × 14,610.60
  4. Step 4: Simplify right side
    49,674.60x = 1,088,558,369.82
  5. Step 5: Solve for x
    x = 1,088,558,369.82/49,674.60
  6. Step 6: Final answer
    x = 21,913.78

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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.