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Finding the Fourth Proportional to 3,950,572.41, 5,926,333.01 and 1,391,258.03

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Solution

The fourth proportional to 3,950,572.41, 5,926,333.01 and 1,391,258.03 is: 2,087,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950,572.41 : 5,926,333.01 = 1,391,258.03 : x
  2. Step 2: Convert to fraction form
    3,950,572.41/5,926,333.01 = 1,391,258.03/x
  3. Step 3: Cross multiply
    3,950,572.41x = 5,926,333.01 × 1,391,258.03
  4. Step 4: Simplify right side
    3,950,572.41x = 8,245,058,352,028.61
  5. Step 5: Solve for x
    x = 8,245,058,352,028.61/3,950,572.41
  6. Step 6: Final answer
    x = 2,087,054.10

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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.