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Finding the Fourth Proportional to 39,661.96, 59,483.70 and 11,576.11

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Solution

The fourth proportional to 39,661.96, 59,483.70 and 11,576.11 is: 17,361.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.96 : 59,483.70 = 11,576.11 : x
  2. Step 2: Convert to fraction form
    39,661.96/59,483.70 = 11,576.11/x
  3. Step 3: Cross multiply
    39,661.96x = 59,483.70 × 11,576.11
  4. Step 4: Simplify right side
    39,661.96x = 688,589,854.41
  5. Step 5: Solve for x
    x = 688,589,854.41/39,661.96
  6. Step 6: Final answer
    x = 17,361.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.