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Finding the Fourth Proportional to 13,568,859.55, 19,046,791.85 and 13,568,859.55

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Solution

The fourth proportional to 13,568,859.55, 19,046,791.85 and 13,568,859.55 is: 19,046,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568,859.55 : 19,046,791.85 = 13,568,859.55 : x
  2. Step 2: Convert to fraction form
    13,568,859.55/19,046,791.85 = 13,568,859.55/x
  3. Step 3: Cross multiply
    13,568,859.55x = 19,046,791.85 × 13,568,859.55
  4. Step 4: Simplify right side
    13,568,859.55x = 258,443,243,490,734.69
  5. Step 5: Solve for x
    x = 258,443,243,490,734.69/13,568,859.55
  6. Step 6: Final answer
    x = 19,046,791.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.