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Finding the Fourth Proportional to 17,619,336.60, 26,429,004.90 and 13,140,360.60

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Solution

The fourth proportional to 17,619,336.60, 26,429,004.90 and 13,140,360.60 is: 19,710,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619,336.60 : 26,429,004.90 = 13,140,360.60 : x
  2. Step 2: Convert to fraction form
    17,619,336.60/26,429,004.90 = 13,140,360.60/x
  3. Step 3: Cross multiply
    17,619,336.60x = 26,429,004.90 × 13,140,360.60
  4. Step 4: Simplify right side
    17,619,336.60x = 347,286,654,685,166.94
  5. Step 5: Solve for x
    x = 347,286,654,685,166.94/17,619,336.60
  6. Step 6: Final answer
    x = 19,710,540.90

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