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Finding the Fourth Proportional to 7,325.81, 10,992.82 and 2,946.35

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Solution

The fourth proportional to 7,325.81, 10,992.82 and 2,946.35 is: 4,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.81 : 10,992.82 = 2,946.35 : x
  2. Step 2: Convert to fraction form
    7,325.81/10,992.82 = 2,946.35/x
  3. Step 3: Cross multiply
    7,325.81x = 10,992.82 × 2,946.35
  4. Step 4: Simplify right side
    7,325.81x = 32,388,632.88
  5. Step 5: Solve for x
    x = 32,388,632.88/7,325.81
  6. Step 6: Final answer
    x = 4,421.17

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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.