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Finding the Fourth Proportional to 64,573.90, 96,845.43 and 27,134.68

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Solution

The fourth proportional to 64,573.90, 96,845.43 and 27,134.68 is: 40,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,573.90 : 96,845.43 = 27,134.68 : x
  2. Step 2: Convert to fraction form
    64,573.90/96,845.43 = 27,134.68/x
  3. Step 3: Cross multiply
    64,573.90x = 96,845.43 × 27,134.68
  4. Step 4: Simplify right side
    64,573.90x = 2,627,869,752.51
  5. Step 5: Solve for x
    x = 2,627,869,752.51/64,573.90
  6. Step 6: Final answer
    x = 40,695.54

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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.