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Finding the Fourth Proportional to 17,996,934.80, 26,995,402.20 and 17,996,934.80

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Solution

The fourth proportional to 17,996,934.80, 26,995,402.20 and 17,996,934.80 is: 26,995,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996,934.80 : 26,995,402.20 = 17,996,934.80 : x
  2. Step 2: Convert to fraction form
    17,996,934.80/26,995,402.20 = 17,996,934.80/x
  3. Step 3: Cross multiply
    17,996,934.80x = 26,995,402.20 × 17,996,934.80
  4. Step 4: Simplify right side
    17,996,934.80x = 485,834,493,293,176.56
  5. Step 5: Solve for x
    x = 485,834,493,293,176.56/17,996,934.80
  6. Step 6: Final answer
    x = 26,995,402.20

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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.