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Finding the Fourth Proportional to 5,874,357.80, 8,806,871.10 and 3,214,965.80

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Solution

The fourth proportional to 5,874,357.80, 8,806,871.10 and 3,214,965.80 is: 4,819,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874,357.80 : 8,806,871.10 = 3,214,965.80 : x
  2. Step 2: Convert to fraction form
    5,874,357.80/8,806,871.10 = 3,214,965.80/x
  3. Step 3: Cross multiply
    5,874,357.80x = 8,806,871.10 × 3,214,965.80
  4. Step 4: Simplify right side
    5,874,357.80x = 28,313,789,391,508.38
  5. Step 5: Solve for x
    x = 28,313,789,391,508.38/5,874,357.80
  6. Step 6: Final answer
    x = 4,819,895.27

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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.