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Finding the Fourth Proportional to 58,906.58, 88,330.67 and 20,950.16

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Solution

The fourth proportional to 58,906.58, 88,330.67 and 20,950.16 is: 31,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,906.58 : 88,330.67 = 20,950.16 : x
  2. Step 2: Convert to fraction form
    58,906.58/88,330.67 = 20,950.16/x
  3. Step 3: Cross multiply
    58,906.58x = 88,330.67 × 20,950.16
  4. Step 4: Simplify right side
    58,906.58x = 1,850,541,123.00
  5. Step 5: Solve for x
    x = 1,850,541,123.00/58,906.58
  6. Step 6: Final answer
    x = 31,414.85

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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.