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Finding the Fourth Proportional to 64,476.45, 96,656.31 and 22,913.73

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Solution

The fourth proportional to 64,476.45, 96,656.31 and 22,913.73 is: 34,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,476.45 : 96,656.31 = 22,913.73 : x
  2. Step 2: Convert to fraction form
    64,476.45/96,656.31 = 22,913.73/x
  3. Step 3: Cross multiply
    64,476.45x = 96,656.31 × 22,913.73
  4. Step 4: Simplify right side
    64,476.45x = 2,214,756,590.14
  5. Step 5: Solve for x
    x = 2,214,756,590.14/64,476.45
  6. Step 6: Final answer
    x = 34,349.85

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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.