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Finding the Fourth Proportional to 42,692.92, 64,042.45 and 16,397.66

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Solution

The fourth proportional to 42,692.92, 64,042.45 and 16,397.66 is: 24,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,692.92 : 64,042.45 = 16,397.66 : x
  2. Step 2: Convert to fraction form
    42,692.92/64,042.45 = 16,397.66/x
  3. Step 3: Cross multiply
    42,692.92x = 64,042.45 × 16,397.66
  4. Step 4: Simplify right side
    42,692.92x = 1,050,146,320.67
  5. Step 5: Solve for x
    x = 1,050,146,320.67/42,692.92
  6. Step 6: Final answer
    x = 24,597.67

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