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Finding the Fourth Proportional to 59,440.70, 89,174.70 and 19,996.79

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Solution

The fourth proportional to 59,440.70, 89,174.70 and 19,996.79 is: 29,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,440.70 : 89,174.70 = 19,996.79 : x
  2. Step 2: Convert to fraction form
    59,440.70/89,174.70 = 19,996.79/x
  3. Step 3: Cross multiply
    59,440.70x = 89,174.70 × 19,996.79
  4. Step 4: Simplify right side
    59,440.70x = 1,783,207,749.21
  5. Step 5: Solve for x
    x = 1,783,207,749.21/59,440.70
  6. Step 6: Final answer
    x = 29,999.78

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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.