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Finding the Fourth Proportional to 7,453.65, 11,173.19 and 3,560.79

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Solution

The fourth proportional to 7,453.65, 11,173.19 and 3,560.79 is: 5,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.65 : 11,173.19 = 3,560.79 : x
  2. Step 2: Convert to fraction form
    7,453.65/11,173.19 = 3,560.79/x
  3. Step 3: Cross multiply
    7,453.65x = 11,173.19 × 3,560.79
  4. Step 4: Simplify right side
    7,453.65x = 39,785,407.32
  5. Step 5: Solve for x
    x = 39,785,407.32/7,453.65
  6. Step 6: Final answer
    x = 5,337.71

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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.