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Finding the Fourth Proportional to 26,308.92, 36,316.38 and 16,239

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Solution

The fourth proportional to 26,308.92, 36,316.38 and 16,239 is: 22,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,308.92 : 36,316.38 = 16,239 : x
  2. Step 2: Convert to fraction form
    26,308.92/36,316.38 = 16,239/x
  3. Step 3: Cross multiply
    26,308.92x = 36,316.38 × 16,239
  4. Step 4: Simplify right side
    26,308.92x = 589,741,694.82
  5. Step 5: Solve for x
    x = 589,741,694.82/26,308.92
  6. Step 6: Final answer
    x = 22,416.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.