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Finding the Fourth Proportional to 13,263.99, 18,301.87 and 7,888.23

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Solution

The fourth proportional to 13,263.99, 18,301.87 and 7,888.23 is: 10,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.99 : 18,301.87 = 7,888.23 : x
  2. Step 2: Convert to fraction form
    13,263.99/18,301.87 = 7,888.23/x
  3. Step 3: Cross multiply
    13,263.99x = 18,301.87 × 7,888.23
  4. Step 4: Simplify right side
    13,263.99x = 144,369,359.99
  5. Step 5: Solve for x
    x = 144,369,359.99/13,263.99
  6. Step 6: Final answer
    x = 10,884.31

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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.