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Finding the Fourth Proportional to 9,969,471.60, 14,943,709.80 and 3,901,858.80

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Solution

The fourth proportional to 9,969,471.60, 14,943,709.80 and 3,901,858.80 is: 5,848,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969,471.60 : 14,943,709.80 = 3,901,858.80 : x
  2. Step 2: Convert to fraction form
    9,969,471.60/14,943,709.80 = 3,901,858.80/x
  3. Step 3: Cross multiply
    9,969,471.60x = 14,943,709.80 × 3,901,858.80
  4. Step 4: Simplify right side
    9,969,471.60x = 58,308,245,587,776.24
  5. Step 5: Solve for x
    x = 58,308,245,587,776.24/9,969,471.60
  6. Step 6: Final answer
    x = 5,848,679.64

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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.