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Finding the Fourth Proportional to 41,703, 62,544.66 and 13,615.80

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Solution

The fourth proportional to 41,703, 62,544.66 and 13,615.80 is: 20,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,703 : 62,544.66 = 13,615.80 : x
  2. Step 2: Convert to fraction form
    41,703/62,544.66 = 13,615.80/x
  3. Step 3: Cross multiply
    41,703x = 62,544.66 × 13,615.80
  4. Step 4: Simplify right side
    41,703x = 851,595,581.63
  5. Step 5: Solve for x
    x = 851,595,581.63/41,703
  6. Step 6: Final answer
    x = 20,420.49

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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.