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Finding the Fourth Proportional to 58,906.37, 88,360.46 and 55,915.64

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Solution

The fourth proportional to 58,906.37, 88,360.46 and 55,915.64 is: 83,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,906.37 : 88,360.46 = 55,915.64 : x
  2. Step 2: Convert to fraction form
    58,906.37/88,360.46 = 55,915.64/x
  3. Step 3: Cross multiply
    58,906.37x = 88,360.46 × 55,915.64
  4. Step 4: Simplify right side
    58,906.37x = 4,940,732,032.28
  5. Step 5: Solve for x
    x = 4,940,732,032.28/58,906.37
  6. Step 6: Final answer
    x = 83,874.33

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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.