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Finding the Fourth Proportional to 86,802.92, 130,214 and 27,624.88

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Solution

The fourth proportional to 86,802.92, 130,214 and 27,624.88 is: 41,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,802.92 : 130,214 = 27,624.88 : x
  2. Step 2: Convert to fraction form
    86,802.92/130,214 = 27,624.88/x
  3. Step 3: Cross multiply
    86,802.92x = 130,214 × 27,624.88
  4. Step 4: Simplify right side
    86,802.92x = 3,597,146,124.32
  5. Step 5: Solve for x
    x = 3,597,146,124.32/86,802.92
  6. Step 6: Final answer
    x = 41,440.38

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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.