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Finding the Fourth Proportional to 11,654,402.40, 17,481,603.60 and 10,520,661.60

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Solution

The fourth proportional to 11,654,402.40, 17,481,603.60 and 10,520,661.60 is: 15,780,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654,402.40 : 17,481,603.60 = 10,520,661.60 : x
  2. Step 2: Convert to fraction form
    11,654,402.40/17,481,603.60 = 10,520,661.60/x
  3. Step 3: Cross multiply
    11,654,402.40x = 17,481,603.60 × 10,520,661.60
  4. Step 4: Simplify right side
    11,654,402.40x = 183,918,035,700,941.78
  5. Step 5: Solve for x
    x = 183,918,035,700,941.78/11,654,402.40
  6. Step 6: Final answer
    x = 15,780,992.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.