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Finding the Fourth Proportional to 55,523, 76,621.98 and 30,029.37

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Solution

The fourth proportional to 55,523, 76,621.98 and 30,029.37 is: 41,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,523 : 76,621.98 = 30,029.37 : x
  2. Step 2: Convert to fraction form
    55,523/76,621.98 = 30,029.37/x
  3. Step 3: Cross multiply
    55,523x = 76,621.98 × 30,029.37
  4. Step 4: Simplify right side
    55,523x = 2,300,909,787.55
  5. Step 5: Solve for x
    x = 2,300,909,787.55/55,523
  6. Step 6: Final answer
    x = 41,440.66

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