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Finding the Fourth Proportional to 86,792.60, 130,187.52 and 27,627.41

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Solution

The fourth proportional to 86,792.60, 130,187.52 and 27,627.41 is: 41,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,792.60 : 130,187.52 = 27,627.41 : x
  2. Step 2: Convert to fraction form
    86,792.60/130,187.52 = 27,627.41/x
  3. Step 3: Cross multiply
    86,792.60x = 130,187.52 × 27,627.41
  4. Step 4: Simplify right side
    86,792.60x = 3,596,743,991.92
  5. Step 5: Solve for x
    x = 3,596,743,991.92/86,792.60
  6. Step 6: Final answer
    x = 41,440.68

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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.