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Finding the Fourth Proportional to 5,641,682.40, 8,463,884.40 and 1,854,964.80

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Solution

The fourth proportional to 5,641,682.40, 8,463,884.40 and 1,854,964.80 is: 2,782,894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641,682.40 : 8,463,884.40 = 1,854,964.80 : x
  2. Step 2: Convert to fraction form
    5,641,682.40/8,463,884.40 = 1,854,964.80/x
  3. Step 3: Cross multiply
    5,641,682.40x = 8,463,884.40 × 1,854,964.80
  4. Step 4: Simplify right side
    5,641,682.40x = 15,700,207,633,269.12
  5. Step 5: Solve for x
    x = 15,700,207,633,269.12/5,641,682.40
  6. Step 6: Final answer
    x = 2,782,894.63

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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.