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Finding the Fourth Proportional to 71,925.81, 107,884.80 and 22,005.92

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Solution

The fourth proportional to 71,925.81, 107,884.80 and 22,005.92 is: 33,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,925.81 : 107,884.80 = 22,005.92 : x
  2. Step 2: Convert to fraction form
    71,925.81/107,884.80 = 22,005.92/x
  3. Step 3: Cross multiply
    71,925.81x = 107,884.80 × 22,005.92
  4. Step 4: Simplify right side
    71,925.81x = 2,374,103,738.59
  5. Step 5: Solve for x
    x = 2,374,103,738.59/71,925.81
  6. Step 6: Final answer
    x = 33,007.67

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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.