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Finding the Fourth Proportional to 17,764,702.10, 26,647,053.15 and 10,206,430.10

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Solution

The fourth proportional to 17,764,702.10, 26,647,053.15 and 10,206,430.10 is: 15,309,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764,702.10 : 26,647,053.15 = 10,206,430.10 : x
  2. Step 2: Convert to fraction form
    17,764,702.10/26,647,053.15 = 10,206,430.10/x
  3. Step 3: Cross multiply
    17,764,702.10x = 26,647,053.15 × 10,206,430.10
  4. Step 4: Simplify right side
    17,764,702.10x = 271,971,285,346,459.78
  5. Step 5: Solve for x
    x = 271,971,285,346,459.78/17,764,702.10
  6. Step 6: Final answer
    x = 15,309,645.15

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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.