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Finding the Fourth Proportional to 61,984.68, 85,536.45 and 33,689.76

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Solution

The fourth proportional to 61,984.68, 85,536.45 and 33,689.76 is: 46,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,984.68 : 85,536.45 = 33,689.76 : x
  2. Step 2: Convert to fraction form
    61,984.68/85,536.45 = 33,689.76/x
  3. Step 3: Cross multiply
    61,984.68x = 85,536.45 × 33,689.76
  4. Step 4: Simplify right side
    61,984.68x = 2,881,702,471.75
  5. Step 5: Solve for x
    x = 2,881,702,471.75/61,984.68
  6. Step 6: Final answer
    x = 46,490.56

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