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Finding the Fourth Proportional to 65,103.41, 89,845.13 and 36,807.41

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Solution

The fourth proportional to 65,103.41, 89,845.13 and 36,807.41 is: 50,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,103.41 : 89,845.13 = 36,807.41 : x
  2. Step 2: Convert to fraction form
    65,103.41/89,845.13 = 36,807.41/x
  3. Step 3: Cross multiply
    65,103.41x = 89,845.13 × 36,807.41
  4. Step 4: Simplify right side
    65,103.41x = 3,306,966,536.41
  5. Step 5: Solve for x
    x = 3,306,966,536.41/65,103.41
  6. Step 6: Final answer
    x = 50,795.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.