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Finding the Fourth Proportional to 13,200.79, 19,751.97 and 13,053.16

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Solution

The fourth proportional to 13,200.79, 19,751.97 and 13,053.16 is: 19,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.79 : 19,751.97 = 13,053.16 : x
  2. Step 2: Convert to fraction form
    13,200.79/19,751.97 = 13,053.16/x
  3. Step 3: Cross multiply
    13,200.79x = 19,751.97 × 13,053.16
  4. Step 4: Simplify right side
    13,200.79x = 257,825,624.73
  5. Step 5: Solve for x
    x = 257,825,624.73/13,200.79
  6. Step 6: Final answer
    x = 19,531.08

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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.