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Finding the Fourth Proportional to 64,855.80, 89,506.44 and 36,567.36

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Solution

The fourth proportional to 64,855.80, 89,506.44 and 36,567.36 is: 50,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,855.80 : 89,506.44 = 36,567.36 : x
  2. Step 2: Convert to fraction form
    64,855.80/89,506.44 = 36,567.36/x
  3. Step 3: Cross multiply
    64,855.80x = 89,506.44 × 36,567.36
  4. Step 4: Simplify right side
    64,855.80x = 3,273,014,213.80
  5. Step 5: Solve for x
    x = 3,273,014,213.80/64,855.80
  6. Step 6: Final answer
    x = 50,466.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.