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Finding the Fourth Proportional to 13,262.94, 18,300.33 and 7,955.82

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Solution

The fourth proportional to 13,262.94, 18,300.33 and 7,955.82 is: 10,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.94 : 18,300.33 = 7,955.82 : x
  2. Step 2: Convert to fraction form
    13,262.94/18,300.33 = 7,955.82/x
  3. Step 3: Cross multiply
    13,262.94x = 18,300.33 × 7,955.82
  4. Step 4: Simplify right side
    13,262.94x = 145,594,131.42
  5. Step 5: Solve for x
    x = 145,594,131.42/13,262.94
  6. Step 6: Final answer
    x = 10,977.52

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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.