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Finding the Fourth Proportional to 9,751.28, 14,618.28 and 7,453.04

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Solution

The fourth proportional to 9,751.28, 14,618.28 and 7,453.04 is: 11,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,751.28 : 14,618.28 = 7,453.04 : x
  2. Step 2: Convert to fraction form
    9,751.28/14,618.28 = 7,453.04/x
  3. Step 3: Cross multiply
    9,751.28x = 14,618.28 × 7,453.04
  4. Step 4: Simplify right side
    9,751.28x = 108,950,625.57
  5. Step 5: Solve for x
    x = 108,950,625.57/9,751.28
  6. Step 6: Final answer
    x = 11,172.96

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1.5x scale

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.