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Finding the Fourth Proportional to 7,462.99, 11,128.65 and 7,396.37

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Solution

The fourth proportional to 7,462.99, 11,128.65 and 7,396.37 is: 11,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,462.99 : 11,128.65 = 7,396.37 : x
  2. Step 2: Convert to fraction form
    7,462.99/11,128.65 = 7,396.37/x
  3. Step 3: Cross multiply
    7,462.99x = 11,128.65 × 7,396.37
  4. Step 4: Simplify right side
    7,462.99x = 82,311,571.35
  5. Step 5: Solve for x
    x = 82,311,571.35/7,462.99
  6. Step 6: Final answer
    x = 11,029.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.