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Finding the Fourth Proportional to 39,369.80, 59,037.37 and 14,403.37

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Solution

The fourth proportional to 39,369.80, 59,037.37 and 14,403.37 is: 21,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,369.80 : 59,037.37 = 14,403.37 : x
  2. Step 2: Convert to fraction form
    39,369.80/59,037.37 = 14,403.37/x
  3. Step 3: Cross multiply
    39,369.80x = 59,037.37 × 14,403.37
  4. Step 4: Simplify right side
    39,369.80x = 850,337,083.94
  5. Step 5: Solve for x
    x = 850,337,083.94/39,369.80
  6. Step 6: Final answer
    x = 21,598.71

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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.