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Finding the Fourth Proportional to 41,348.40, 62,051.40 and 17,991.60

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Solution

The fourth proportional to 41,348.40, 62,051.40 and 17,991.60 is: 26,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,348.40 : 62,051.40 = 17,991.60 : x
  2. Step 2: Convert to fraction form
    41,348.40/62,051.40 = 17,991.60/x
  3. Step 3: Cross multiply
    41,348.40x = 62,051.40 × 17,991.60
  4. Step 4: Simplify right side
    41,348.40x = 1,116,403,968.24
  5. Step 5: Solve for x
    x = 1,116,403,968.24/41,348.40
  6. Step 6: Final answer
    x = 26,999.93

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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.