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Finding the Fourth Proportional to 58,481.92, 87,709.92 and 23,412.16

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Solution

The fourth proportional to 58,481.92, 87,709.92 and 23,412.16 is: 35,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,481.92 : 87,709.92 = 23,412.16 : x
  2. Step 2: Convert to fraction form
    58,481.92/87,709.92 = 23,412.16/x
  3. Step 3: Cross multiply
    58,481.92x = 87,709.92 × 23,412.16
  4. Step 4: Simplify right side
    58,481.92x = 2,053,478,680.63
  5. Step 5: Solve for x
    x = 2,053,478,680.63/58,481.92
  6. Step 6: Final answer
    x = 35,113.05

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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.