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Finding the Fourth Proportional to 5,283,807.50, 7,914,323.50 and 3,568,518.60

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Solution

The fourth proportional to 5,283,807.50, 7,914,323.50 and 3,568,518.60 is: 5,345,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283,807.50 : 7,914,323.50 = 3,568,518.60 : x
  2. Step 2: Convert to fraction form
    5,283,807.50/7,914,323.50 = 3,568,518.60/x
  3. Step 3: Cross multiply
    5,283,807.50x = 7,914,323.50 × 3,568,518.60
  4. Step 4: Simplify right side
    5,283,807.50x = 28,242,410,650,306.46
  5. Step 5: Solve for x
    x = 28,242,410,650,306.46/5,283,807.50
  6. Step 6: Final answer
    x = 5,345,086.98

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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.