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Finding the Fourth Proportional to 13,010.60, 19,530.30 and 10,101.80

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Solution

The fourth proportional to 13,010.60, 19,530.30 and 10,101.80 is: 15,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.60 : 19,530.30 = 10,101.80 : x
  2. Step 2: Convert to fraction form
    13,010.60/19,530.30 = 10,101.80/x
  3. Step 3: Cross multiply
    13,010.60x = 19,530.30 × 10,101.80
  4. Step 4: Simplify right side
    13,010.60x = 197,291,184.54
  5. Step 5: Solve for x
    x = 197,291,184.54/13,010.60
  6. Step 6: Final answer
    x = 15,163.88

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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.