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Finding the Fourth Proportional to 3,953,754.75, 5,923,861.34 and 2,157,898.17

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Solution

The fourth proportional to 3,953,754.75, 5,923,861.34 and 2,157,898.17 is: 3,233,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,754.75 : 5,923,861.34 = 2,157,898.17 : x
  2. Step 2: Convert to fraction form
    3,953,754.75/5,923,861.34 = 2,157,898.17/x
  3. Step 3: Cross multiply
    3,953,754.75x = 5,923,861.34 × 2,157,898.17
  4. Step 4: Simplify right side
    3,953,754.75x = 12,783,089,534,130.26
  5. Step 5: Solve for x
    x = 12,783,089,534,130.26/3,953,754.75
  6. Step 6: Final answer
    x = 3,233,151.86

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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.