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Finding the Fourth Proportional to 56,499.67, 77,961.36 and 36,383.82

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Solution

The fourth proportional to 56,499.67, 77,961.36 and 36,383.82 is: 50,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,499.67 : 77,961.36 = 36,383.82 : x
  2. Step 2: Convert to fraction form
    56,499.67/77,961.36 = 36,383.82/x
  3. Step 3: Cross multiply
    56,499.67x = 77,961.36 × 36,383.82
  4. Step 4: Simplify right side
    56,499.67x = 2,836,532,089.20
  5. Step 5: Solve for x
    x = 2,836,532,089.20/56,499.67
  6. Step 6: Final answer
    x = 50,204.40

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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.