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Finding the Fourth Proportional to 52,780.77, 79,113.58 and 19,472.76

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Solution

The fourth proportional to 52,780.77, 79,113.58 and 19,472.76 is: 29,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,780.77 : 79,113.58 = 19,472.76 : x
  2. Step 2: Convert to fraction form
    52,780.77/79,113.58 = 19,472.76/x
  3. Step 3: Cross multiply
    52,780.77x = 79,113.58 × 19,472.76
  4. Step 4: Simplify right side
    52,780.77x = 1,540,559,707.40
  5. Step 5: Solve for x
    x = 1,540,559,707.40/52,780.77
  6. Step 6: Final answer
    x = 29,187.90

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