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Finding the Fourth Proportional to 17,618,510.40, 26,419,892.40 and 6,832,226.40

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Solution

The fourth proportional to 17,618,510.40, 26,419,892.40 and 6,832,226.40 is: 10,245,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618,510.40 : 26,419,892.40 = 6,832,226.40 : x
  2. Step 2: Convert to fraction form
    17,618,510.40/26,419,892.40 = 6,832,226.40/x
  3. Step 3: Cross multiply
    17,618,510.40x = 26,419,892.40 × 6,832,226.40
  4. Step 4: Simplify right side
    17,618,510.40x = 180,506,686,340,439.38
  5. Step 5: Solve for x
    x = 180,506,686,340,439.38/17,618,510.40
  6. Step 6: Final answer
    x = 10,245,286.48

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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.