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Finding the Fourth Proportional to 7,605.32, 11,410.06 and 2,678.42

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Solution

The fourth proportional to 7,605.32, 11,410.06 and 2,678.42 is: 4,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.32 : 11,410.06 = 2,678.42 : x
  2. Step 2: Convert to fraction form
    7,605.32/11,410.06 = 2,678.42/x
  3. Step 3: Cross multiply
    7,605.32x = 11,410.06 × 2,678.42
  4. Step 4: Simplify right side
    7,605.32x = 30,560,932.91
  5. Step 5: Solve for x
    x = 30,560,932.91/7,605.32
  6. Step 6: Final answer
    x = 4,018.36

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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.