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Finding the Fourth Proportional to 27,419.78, 41,124.48 and 13,365.69

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Solution

The fourth proportional to 27,419.78, 41,124.48 and 13,365.69 is: 20,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.78 : 41,124.48 = 13,365.69 : x
  2. Step 2: Convert to fraction form
    27,419.78/41,124.48 = 13,365.69/x
  3. Step 3: Cross multiply
    27,419.78x = 41,124.48 × 13,365.69
  4. Step 4: Simplify right side
    27,419.78x = 549,657,051.09
  5. Step 5: Solve for x
    x = 549,657,051.09/27,419.78
  6. Step 6: Final answer
    x = 20,046.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.