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Finding the Fourth Proportional to 11,700,546.40, 17,529,824.40 and 10,020,930.40

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Solution

The fourth proportional to 11,700,546.40, 17,529,824.40 and 10,020,930.40 is: 15,013,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,546.40 : 17,529,824.40 = 10,020,930.40 : x
  2. Step 2: Convert to fraction form
    11,700,546.40/17,529,824.40 = 10,020,930.40/x
  3. Step 3: Cross multiply
    11,700,546.40x = 17,529,824.40 × 10,020,930.40
  4. Step 4: Simplify right side
    11,700,546.40x = 175,665,150,236,621.75
  5. Step 5: Solve for x
    x = 175,665,150,236,621.75/11,700,546.40
  6. Step 6: Final answer
    x = 15,013,414.27

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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.