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Finding the Fourth Proportional to 62,238.78, 85,889.13 and 35,381.28

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Solution

The fourth proportional to 62,238.78, 85,889.13 and 35,381.28 is: 48,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,238.78 : 85,889.13 = 35,381.28 : x
  2. Step 2: Convert to fraction form
    62,238.78/85,889.13 = 35,381.28/x
  3. Step 3: Cross multiply
    62,238.78x = 85,889.13 × 35,381.28
  4. Step 4: Simplify right side
    62,238.78x = 3,038,867,546.89
  5. Step 5: Solve for x
    x = 3,038,867,546.89/62,238.78
  6. Step 6: Final answer
    x = 48,825.95

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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.