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Finding the Fourth Proportional to 11,700,767.55, 17,519,658.53 and 11,700,767.55

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Solution

The fourth proportional to 11,700,767.55, 17,519,658.53 and 11,700,767.55 is: 17,519,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,767.55 : 17,519,658.53 = 11,700,767.55 : x
  2. Step 2: Convert to fraction form
    11,700,767.55/17,519,658.53 = 11,700,767.55/x
  3. Step 3: Cross multiply
    11,700,767.55x = 17,519,658.53 × 11,700,767.55
  4. Step 4: Simplify right side
    11,700,767.55x = 204,993,451,956,400.84
  5. Step 5: Solve for x
    x = 204,993,451,956,400.84/11,700,767.55
  6. Step 6: Final answer
    x = 17,519,658.53

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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.