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Finding the Fourth Proportional to 9,873,993.56, 14,805,664.68 and 4,479,700.95

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Solution

The fourth proportional to 9,873,993.56, 14,805,664.68 and 4,479,700.95 is: 6,717,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873,993.56 : 14,805,664.68 = 4,479,700.95 : x
  2. Step 2: Convert to fraction form
    9,873,993.56/14,805,664.68 = 4,479,700.95/x
  3. Step 3: Cross multiply
    9,873,993.56x = 14,805,664.68 × 4,479,700.95
  4. Step 4: Simplify right side
    9,873,993.56x = 66,324,950,149,176.33
  5. Step 5: Solve for x
    x = 66,324,950,149,176.33/9,873,993.56
  6. Step 6: Final answer
    x = 6,717,135.25

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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.