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Finding the Fourth Proportional to 43,305, 64,953.30 and 29,354.68

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Solution

The fourth proportional to 43,305, 64,953.30 and 29,354.68 is: 44,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,305 : 64,953.30 = 29,354.68 : x
  2. Step 2: Convert to fraction form
    43,305/64,953.30 = 29,354.68/x
  3. Step 3: Cross multiply
    43,305x = 64,953.30 × 29,354.68
  4. Step 4: Simplify right side
    43,305x = 1,906,683,336.44
  5. Step 5: Solve for x
    x = 1,906,683,336.44/43,305
  6. Step 6: Final answer
    x = 44,029.17

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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.