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Finding the Fourth Proportional to 9,855.33, 14,783.10 and 3,281.50

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Solution

The fourth proportional to 9,855.33, 14,783.10 and 3,281.50 is: 4,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.33 : 14,783.10 = 3,281.50 : x
  2. Step 2: Convert to fraction form
    9,855.33/14,783.10 = 3,281.50/x
  3. Step 3: Cross multiply
    9,855.33x = 14,783.10 × 3,281.50
  4. Step 4: Simplify right side
    9,855.33x = 48,510,742.65
  5. Step 5: Solve for x
    x = 48,510,742.65/9,855.33
  6. Step 6: Final answer
    x = 4,922.28

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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.