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Finding the Fourth Proportional to 24,220.60, 33,420.54 and 13,610.20

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Solution

The fourth proportional to 24,220.60, 33,420.54 and 13,610.20 is: 18,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,220.60 : 33,420.54 = 13,610.20 : x
  2. Step 2: Convert to fraction form
    24,220.60/33,420.54 = 13,610.20/x
  3. Step 3: Cross multiply
    24,220.60x = 33,420.54 × 13,610.20
  4. Step 4: Simplify right side
    24,220.60x = 454,860,233.51
  5. Step 5: Solve for x
    x = 454,860,233.51/24,220.60
  6. Step 6: Final answer
    x = 18,779.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.