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Finding the Fourth Proportional to 41,302.94, 61,958.90 and 13,216.39

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Solution

The fourth proportional to 41,302.94, 61,958.90 and 13,216.39 is: 19,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,302.94 : 61,958.90 = 13,216.39 : x
  2. Step 2: Convert to fraction form
    41,302.94/61,958.90 = 13,216.39/x
  3. Step 3: Cross multiply
    41,302.94x = 61,958.90 × 13,216.39
  4. Step 4: Simplify right side
    41,302.94x = 818,872,864.51
  5. Step 5: Solve for x
    x = 818,872,864.51/41,302.94
  6. Step 6: Final answer
    x = 19,826.02

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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.