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Finding the Fourth Proportional to 57,126.61, 78,792.24 and 36,967.94

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Solution

The fourth proportional to 57,126.61, 78,792.24 and 36,967.94 is: 50,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.61 : 78,792.24 = 36,967.94 : x
  2. Step 2: Convert to fraction form
    57,126.61/78,792.24 = 36,967.94/x
  3. Step 3: Cross multiply
    57,126.61x = 78,792.24 × 36,967.94
  4. Step 4: Simplify right side
    57,126.61x = 2,912,786,840.93
  5. Step 5: Solve for x
    x = 2,912,786,840.93/57,126.61
  6. Step 6: Final answer
    x = 50,988.27

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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.