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Finding the Fourth Proportional to 9,485.90, 14,224.90 and 3,244.65

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Solution

The fourth proportional to 9,485.90, 14,224.90 and 3,244.65 is: 4,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.90 : 14,224.90 = 3,244.65 : x
  2. Step 2: Convert to fraction form
    9,485.90/14,224.90 = 3,244.65/x
  3. Step 3: Cross multiply
    9,485.90x = 14,224.90 × 3,244.65
  4. Step 4: Simplify right side
    9,485.90x = 46,154,821.79
  5. Step 5: Solve for x
    x = 46,154,821.79/9,485.90
  6. Step 6: Final answer
    x = 4,865.62

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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.