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Finding the Fourth Proportional to 8,791,824.80, 13,187,737.20 and 2,726,544.80

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Solution

The fourth proportional to 8,791,824.80, 13,187,737.20 and 2,726,544.80 is: 4,089,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,824.80 : 13,187,737.20 = 2,726,544.80 : x
  2. Step 2: Convert to fraction form
    8,791,824.80/13,187,737.20 = 2,726,544.80/x
  3. Step 3: Cross multiply
    8,791,824.80x = 13,187,737.20 × 2,726,544.80
  4. Step 4: Simplify right side
    8,791,824.80x = 35,956,956,286,426.55
  5. Step 5: Solve for x
    x = 35,956,956,286,426.55/8,791,824.80
  6. Step 6: Final answer
    x = 4,089,817.20

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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.