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Finding the Fourth Proportional to 58,362, 80,543.88 and 33,219.60

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Solution

The fourth proportional to 58,362, 80,543.88 and 33,219.60 is: 45,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,362 : 80,543.88 = 33,219.60 : x
  2. Step 2: Convert to fraction form
    58,362/80,543.88 = 33,219.60/x
  3. Step 3: Cross multiply
    58,362x = 80,543.88 × 33,219.60
  4. Step 4: Simplify right side
    58,362x = 2,675,635,476.05
  5. Step 5: Solve for x
    x = 2,675,635,476.05/58,362
  6. Step 6: Final answer
    x = 45,845.51

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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.