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Finding the Fourth Proportional to 62,773.64, 86,661.39 and 48,401.96

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Solution

The fourth proportional to 62,773.64, 86,661.39 and 48,401.96 is: 66,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,773.64 : 86,661.39 = 48,401.96 : x
  2. Step 2: Convert to fraction form
    62,773.64/86,661.39 = 48,401.96/x
  3. Step 3: Cross multiply
    62,773.64x = 86,661.39 × 48,401.96
  4. Step 4: Simplify right side
    62,773.64x = 4,194,580,699.02
  5. Step 5: Solve for x
    x = 4,194,580,699.02/62,773.64
  6. Step 6: Final answer
    x = 66,820.74

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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.