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Finding the Fourth Proportional to 11,548.35, 15,936.71 and 6,243.16

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Solution

The fourth proportional to 11,548.35, 15,936.71 and 6,243.16 is: 8,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.35 : 15,936.71 = 6,243.16 : x
  2. Step 2: Convert to fraction form
    11,548.35/15,936.71 = 6,243.16/x
  3. Step 3: Cross multiply
    11,548.35x = 15,936.71 × 6,243.16
  4. Step 4: Simplify right side
    11,548.35x = 99,495,430.40
  5. Step 5: Solve for x
    x = 99,495,430.40/11,548.35
  6. Step 6: Final answer
    x = 8,615.55

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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.