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Finding the Fourth Proportional to 3,811,602.56, 5,712,028.56 and 2,106,513.68

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Solution

The fourth proportional to 3,811,602.56, 5,712,028.56 and 2,106,513.68 is: 3,156,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,602.56 : 5,712,028.56 = 2,106,513.68 : x
  2. Step 2: Convert to fraction form
    3,811,602.56/5,712,028.56 = 2,106,513.68/x
  3. Step 3: Cross multiply
    3,811,602.56x = 5,712,028.56 × 2,106,513.68
  4. Step 4: Simplify right side
    3,811,602.56x = 12,032,466,302,190.70
  5. Step 5: Solve for x
    x = 12,032,466,302,190.70/3,811,602.56
  6. Step 6: Final answer
    x = 3,156,799.83

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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.