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Finding the Fourth Proportional to 13,365.98, 20,043.50 and 5,041.82

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Solution

The fourth proportional to 13,365.98, 20,043.50 and 5,041.82 is: 7,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.98 : 20,043.50 = 5,041.82 : x
  2. Step 2: Convert to fraction form
    13,365.98/20,043.50 = 5,041.82/x
  3. Step 3: Cross multiply
    13,365.98x = 20,043.50 × 5,041.82
  4. Step 4: Simplify right side
    13,365.98x = 101,055,719.17
  5. Step 5: Solve for x
    x = 101,055,719.17/13,365.98
  6. Step 6: Final answer
    x = 7,560.67

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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.