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Finding the Fourth Proportional to 49,673.70, 74,484.90 and 14,608.80

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Solution

The fourth proportional to 49,673.70, 74,484.90 and 14,608.80 is: 21,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,673.70 : 74,484.90 = 14,608.80 : x
  2. Step 2: Convert to fraction form
    49,673.70/74,484.90 = 14,608.80/x
  3. Step 3: Cross multiply
    49,673.70x = 74,484.90 × 14,608.80
  4. Step 4: Simplify right side
    49,673.70x = 1,088,135,007.12
  5. Step 5: Solve for x
    x = 1,088,135,007.12/49,673.70
  6. Step 6: Final answer
    x = 21,905.66

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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.