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Finding the Fourth Proportional to 7,497.92, 11,243.36 and 2,230.98

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Solution

The fourth proportional to 7,497.92, 11,243.36 and 2,230.98 is: 3,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.92 : 11,243.36 = 2,230.98 : x
  2. Step 2: Convert to fraction form
    7,497.92/11,243.36 = 2,230.98/x
  3. Step 3: Cross multiply
    7,497.92x = 11,243.36 × 2,230.98
  4. Step 4: Simplify right side
    7,497.92x = 25,083,700.14
  5. Step 5: Solve for x
    x = 25,083,700.14/7,497.92
  6. Step 6: Final answer
    x = 3,345.42

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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.