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Finding the Fourth Proportional to 13,304,565.20, 19,956,847.80 and 13,304,565.20

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Solution

The fourth proportional to 13,304,565.20, 19,956,847.80 and 13,304,565.20 is: 19,956,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304,565.20 : 19,956,847.80 = 13,304,565.20 : x
  2. Step 2: Convert to fraction form
    13,304,565.20/19,956,847.80 = 13,304,565.20/x
  3. Step 3: Cross multiply
    13,304,565.20x = 19,956,847.80 × 13,304,565.20
  4. Step 4: Simplify right side
    13,304,565.20x = 265,517,182,741,576.56
  5. Step 5: Solve for x
    x = 265,517,182,741,576.56/13,304,565.20
  6. Step 6: Final answer
    x = 19,956,847.80

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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.