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Finding the Fourth Proportional to 57,772.96, 79,737.36 and 36,537.76

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Solution

The fourth proportional to 57,772.96, 79,737.36 and 36,537.76 is: 50,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.96 : 79,737.36 = 36,537.76 : x
  2. Step 2: Convert to fraction form
    57,772.96/79,737.36 = 36,537.76/x
  3. Step 3: Cross multiply
    57,772.96x = 79,737.36 × 36,537.76
  4. Step 4: Simplify right side
    57,772.96x = 2,913,424,522.71
  5. Step 5: Solve for x
    x = 2,913,424,522.71/57,772.96
  6. Step 6: Final answer
    x = 50,428.86

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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.