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Finding the Fourth Proportional to 51,955.79, 77,792.90 and 26,943.38

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Solution

The fourth proportional to 51,955.79, 77,792.90 and 26,943.38 is: 40,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,955.79 : 77,792.90 = 26,943.38 : x
  2. Step 2: Convert to fraction form
    51,955.79/77,792.90 = 26,943.38/x
  3. Step 3: Cross multiply
    51,955.79x = 77,792.90 × 26,943.38
  4. Step 4: Simplify right side
    51,955.79x = 2,096,003,142.32
  5. Step 5: Solve for x
    x = 2,096,003,142.32/51,955.79
  6. Step 6: Final answer
    x = 40,342.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.