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Finding the Fourth Proportional to 8,059,489.60, 12,078,736.80 and 3,263,252.80

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Solution

The fourth proportional to 8,059,489.60, 12,078,736.80 and 3,263,252.80 is: 4,890,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,489.60 : 12,078,736.80 = 3,263,252.80 : x
  2. Step 2: Convert to fraction form
    8,059,489.60/12,078,736.80 = 3,263,252.80/x
  3. Step 3: Cross multiply
    8,059,489.60x = 12,078,736.80 × 3,263,252.80
  4. Step 4: Simplify right side
    8,059,489.60x = 39,415,971,683,063.04
  5. Step 5: Solve for x
    x = 39,415,971,683,063.04/8,059,489.60
  6. Step 6: Final answer
    x = 4,890,628.77

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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.