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Finding the Fourth Proportional to 58,407.64, 80,608.88 and 35,761.88

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Solution

The fourth proportional to 58,407.64, 80,608.88 and 35,761.88 is: 49,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,407.64 : 80,608.88 = 35,761.88 : x
  2. Step 2: Convert to fraction form
    58,407.64/80,608.88 = 35,761.88/x
  3. Step 3: Cross multiply
    58,407.64x = 80,608.88 × 35,761.88
  4. Step 4: Simplify right side
    58,407.64x = 2,882,725,093.49
  5. Step 5: Solve for x
    x = 2,882,725,093.49/58,407.64
  6. Step 6: Final answer
    x = 49,355.27

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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.