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Finding the Fourth Proportional to 63,990.96, 96,001.57 and 28,930.56

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Solution

The fourth proportional to 63,990.96, 96,001.57 and 28,930.56 is: 43,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,990.96 : 96,001.57 = 28,930.56 : x
  2. Step 2: Convert to fraction form
    63,990.96/96,001.57 = 28,930.56/x
  3. Step 3: Cross multiply
    63,990.96x = 96,001.57 × 28,930.56
  4. Step 4: Simplify right side
    63,990.96x = 2,777,379,180.98
  5. Step 5: Solve for x
    x = 2,777,379,180.98/63,990.96
  6. Step 6: Final answer
    x = 43,402.68

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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.