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Finding the Fourth Proportional to 11,700,656.40, 17,529,989.40 and 10,021,040.40

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Solution

The fourth proportional to 11,700,656.40, 17,529,989.40 and 10,021,040.40 is: 15,013,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,656.40 : 17,529,989.40 = 10,021,040.40 : x
  2. Step 2: Convert to fraction form
    11,700,656.40/17,529,989.40 = 10,021,040.40/x
  3. Step 3: Cross multiply
    11,700,656.40x = 17,529,989.40 × 10,021,040.40
  4. Step 4: Simplify right side
    11,700,656.40x = 175,668,731,988,971.75
  5. Step 5: Solve for x
    x = 175,668,731,988,971.75/11,700,656.40
  6. Step 6: Final answer
    x = 15,013,579.24

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