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Finding the Fourth Proportional to 55,735.14, 76,978.38 and 36,700.01

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Solution

The fourth proportional to 55,735.14, 76,978.38 and 36,700.01 is: 50,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,735.14 : 76,978.38 = 36,700.01 : x
  2. Step 2: Convert to fraction form
    55,735.14/76,978.38 = 36,700.01/x
  3. Step 3: Cross multiply
    55,735.14x = 76,978.38 × 36,700.01
  4. Step 4: Simplify right side
    55,735.14x = 2,825,107,855.96
  5. Step 5: Solve for x
    x = 2,825,107,855.96/55,735.14
  6. Step 6: Final answer
    x = 50,688.09

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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.