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Finding the Fourth Proportional to 7,239.99, 10,844.46 and 6,451.32

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Solution

The fourth proportional to 7,239.99, 10,844.46 and 6,451.32 is: 9,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.99 : 10,844.46 = 6,451.32 : x
  2. Step 2: Convert to fraction form
    7,239.99/10,844.46 = 6,451.32/x
  3. Step 3: Cross multiply
    7,239.99x = 10,844.46 × 6,451.32
  4. Step 4: Simplify right side
    7,239.99x = 69,961,081.69
  5. Step 5: Solve for x
    x = 69,961,081.69/7,239.99
  6. Step 6: Final answer
    x = 9,663.15

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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.