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Finding the Fourth Proportional to 64,455.70, 96,625.10 and 34,838.94

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Solution

The fourth proportional to 64,455.70, 96,625.10 and 34,838.94 is: 52,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,455.70 : 96,625.10 = 34,838.94 : x
  2. Step 2: Convert to fraction form
    64,455.70/96,625.10 = 34,838.94/x
  3. Step 3: Cross multiply
    64,455.70x = 96,625.10 × 34,838.94
  4. Step 4: Simplify right side
    64,455.70x = 3,366,315,695.56
  5. Step 5: Solve for x
    x = 3,366,315,695.56/64,455.70
  6. Step 6: Final answer
    x = 52,226.81

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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.