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Finding the Fourth Proportional to 7,437.75, 11,150.82 and 3,923.16

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Solution

The fourth proportional to 7,437.75, 11,150.82 and 3,923.16 is: 5,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.75 : 11,150.82 = 3,923.16 : x
  2. Step 2: Convert to fraction form
    7,437.75/11,150.82 = 3,923.16/x
  3. Step 3: Cross multiply
    7,437.75x = 11,150.82 × 3,923.16
  4. Step 4: Simplify right side
    7,437.75x = 43,746,450.99
  5. Step 5: Solve for x
    x = 43,746,450.99/7,437.75
  6. Step 6: Final answer
    x = 5,881.68

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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.