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Finding the Fourth Proportional to 8,304,166.40, 12,456,638.40 and 2,624,835.20

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Solution

The fourth proportional to 8,304,166.40, 12,456,638.40 and 2,624,835.20 is: 3,937,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,166.40 : 12,456,638.40 = 2,624,835.20 : x
  2. Step 2: Convert to fraction form
    8,304,166.40/12,456,638.40 = 2,624,835.20/x
  3. Step 3: Cross multiply
    8,304,166.40x = 12,456,638.40 × 2,624,835.20
  4. Step 4: Simplify right side
    8,304,166.40x = 32,696,622,945,991.68
  5. Step 5: Solve for x
    x = 32,696,622,945,991.68/8,304,166.40
  6. Step 6: Final answer
    x = 3,937,375.69

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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.