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Finding the Fourth Proportional to 64,306.49, 96,474.90 and 26,845.73

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Solution

The fourth proportional to 64,306.49, 96,474.90 and 26,845.73 is: 40,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,306.49 : 96,474.90 = 26,845.73 : x
  2. Step 2: Convert to fraction form
    64,306.49/96,474.90 = 26,845.73/x
  3. Step 3: Cross multiply
    64,306.49x = 96,474.90 × 26,845.73
  4. Step 4: Simplify right side
    64,306.49x = 2,589,939,117.18
  5. Step 5: Solve for x
    x = 2,589,939,117.18/64,306.49
  6. Step 6: Final answer
    x = 40,274.93

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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.