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Finding the Fourth Proportional to 7,166.99, 10,738.60 and 5,076.65

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Solution

The fourth proportional to 7,166.99, 10,738.60 and 5,076.65 is: 7,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.99 : 10,738.60 = 5,076.65 : x
  2. Step 2: Convert to fraction form
    7,166.99/10,738.60 = 5,076.65/x
  3. Step 3: Cross multiply
    7,166.99x = 10,738.60 × 5,076.65
  4. Step 4: Simplify right side
    7,166.99x = 54,516,113.69
  5. Step 5: Solve for x
    x = 54,516,113.69/7,166.99
  6. Step 6: Final answer
    x = 7,606.56

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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.