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Finding the Fourth Proportional to 55,602, 76,730.76 and 30,452.04

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Solution

The fourth proportional to 55,602, 76,730.76 and 30,452.04 is: 42,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602 : 76,730.76 = 30,452.04 : x
  2. Step 2: Convert to fraction form
    55,602/76,730.76 = 30,452.04/x
  3. Step 3: Cross multiply
    55,602x = 76,730.76 × 30,452.04
  4. Step 4: Simplify right side
    55,602x = 2,336,608,172.75
  5. Step 5: Solve for x
    x = 2,336,608,172.75/55,602
  6. Step 6: Final answer
    x = 42,023.82

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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.