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Finding the Fourth Proportional to 8,394,304.80, 12,593,206.80 and 4,797,127.20

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Solution

The fourth proportional to 8,394,304.80, 12,593,206.80 and 4,797,127.20 is: 7,196,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,304.80 : 12,593,206.80 = 4,797,127.20 : x
  2. Step 2: Convert to fraction form
    8,394,304.80/12,593,206.80 = 4,797,127.20/x
  3. Step 3: Cross multiply
    8,394,304.80x = 12,593,206.80 × 4,797,127.20
  4. Step 4: Simplify right side
    8,394,304.80x = 60,411,214,875,504.97
  5. Step 5: Solve for x
    x = 60,411,214,875,504.97/8,394,304.80
  6. Step 6: Final answer
    x = 7,196,690.65

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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.