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Finding the Fourth Proportional to 66,829.34, 92,224.49 and 36,615.81

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Solution

The fourth proportional to 66,829.34, 92,224.49 and 36,615.81 is: 50,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,829.34 : 92,224.49 = 36,615.81 : x
  2. Step 2: Convert to fraction form
    66,829.34/92,224.49 = 36,615.81/x
  3. Step 3: Cross multiply
    66,829.34x = 92,224.49 × 36,615.81
  4. Step 4: Simplify right side
    66,829.34x = 3,376,874,403.19
  5. Step 5: Solve for x
    x = 3,376,874,403.19/66,829.34
  6. Step 6: Final answer
    x = 50,529.82

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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.