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Finding the Fourth Proportional to 13,282,406.20, 19,923,609.30 and 13,282,406.20

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Solution

The fourth proportional to 13,282,406.20, 19,923,609.30 and 13,282,406.20 is: 19,923,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282,406.20 : 19,923,609.30 = 13,282,406.20 : x
  2. Step 2: Convert to fraction form
    13,282,406.20/19,923,609.30 = 13,282,406.20/x
  3. Step 3: Cross multiply
    13,282,406.20x = 19,923,609.30 × 13,282,406.20
  4. Step 4: Simplify right side
    13,282,406.20x = 264,633,471,692,697.66
  5. Step 5: Solve for x
    x = 264,633,471,692,697.66/13,282,406.20
  6. Step 6: Final answer
    x = 19,923,609.30

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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.