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Finding the Fourth Proportional to 9,786,563.20, 13,729,532 and 9,786,563.20

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Solution

The fourth proportional to 9,786,563.20, 13,729,532 and 9,786,563.20 is: 13,729,532

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786,563.20 : 13,729,532 = 9,786,563.20 : x
  2. Step 2: Convert to fraction form
    9,786,563.20/13,729,532 = 9,786,563.20/x
  3. Step 3: Cross multiply
    9,786,563.20x = 13,729,532 × 9,786,563.20
  4. Step 4: Simplify right side
    9,786,563.20x = 134,364,932,624,422.39
  5. Step 5: Solve for x
    x = 134,364,932,624,422.39/9,786,563.20
  6. Step 6: Final answer
    x = 13,729,532

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.