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Finding the Fourth Proportional to 7,579.88, 11,352.54 and 7,453.16

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Solution

The fourth proportional to 7,579.88, 11,352.54 and 7,453.16 is: 11,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.88 : 11,352.54 = 7,453.16 : x
  2. Step 2: Convert to fraction form
    7,579.88/11,352.54 = 7,453.16/x
  3. Step 3: Cross multiply
    7,579.88x = 11,352.54 × 7,453.16
  4. Step 4: Simplify right side
    7,579.88x = 84,612,297.03
  5. Step 5: Solve for x
    x = 84,612,297.03/7,579.88
  6. Step 6: Final answer
    x = 11,162.75

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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.