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Finding the Fourth Proportional to 10,464.66, 15,670.89 and 7,329.96

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Solution

The fourth proportional to 10,464.66, 15,670.89 and 7,329.96 is: 10,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.66 : 15,670.89 = 7,329.96 : x
  2. Step 2: Convert to fraction form
    10,464.66/15,670.89 = 7,329.96/x
  3. Step 3: Cross multiply
    10,464.66x = 15,670.89 × 7,329.96
  4. Step 4: Simplify right side
    10,464.66x = 114,866,996.86
  5. Step 5: Solve for x
    x = 114,866,996.86/10,464.66
  6. Step 6: Final answer
    x = 10,976.66

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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.