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Finding the Fourth Proportional to 64,586.76, 96,894.18 and 27,125.46

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Solution

The fourth proportional to 64,586.76, 96,894.18 and 27,125.46 is: 40,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,586.76 : 96,894.18 = 27,125.46 : x
  2. Step 2: Convert to fraction form
    64,586.76/96,894.18 = 27,125.46/x
  3. Step 3: Cross multiply
    64,586.76x = 96,894.18 × 27,125.46
  4. Step 4: Simplify right side
    64,586.76x = 2,628,299,203.82
  5. Step 5: Solve for x
    x = 2,628,299,203.82/64,586.76
  6. Step 6: Final answer
    x = 40,694.09

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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.