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Finding the Fourth Proportional to 8,581,361.80, 12,872,042.70 and 4,536,286.60

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Solution

The fourth proportional to 8,581,361.80, 12,872,042.70 and 4,536,286.60 is: 6,804,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,361.80 : 12,872,042.70 = 4,536,286.60 : x
  2. Step 2: Convert to fraction form
    8,581,361.80/12,872,042.70 = 4,536,286.60/x
  3. Step 3: Cross multiply
    8,581,361.80x = 12,872,042.70 × 4,536,286.60
  4. Step 4: Simplify right side
    8,581,361.80x = 58,391,274,814,637.81
  5. Step 5: Solve for x
    x = 58,391,274,814,637.81/8,581,361.80
  6. Step 6: Final answer
    x = 6,804,429.90

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Similar ratio
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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.