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Finding the Fourth Proportional to 53,620.59, 80,428.87 and 16,179.67

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Solution

The fourth proportional to 53,620.59, 80,428.87 and 16,179.67 is: 24,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,620.59 : 80,428.87 = 16,179.67 : x
  2. Step 2: Convert to fraction form
    53,620.59/80,428.87 = 16,179.67/x
  3. Step 3: Cross multiply
    53,620.59x = 80,428.87 × 16,179.67
  4. Step 4: Simplify right side
    53,620.59x = 1,301,312,695.83
  5. Step 5: Solve for x
    x = 1,301,312,695.83/53,620.59
  6. Step 6: Final answer
    x = 24,268.90

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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.