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Finding the Fourth Proportional to 7,953.03, 11,927.12 and 3,790.85

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Solution

The fourth proportional to 7,953.03, 11,927.12 and 3,790.85 is: 5,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.03 : 11,927.12 = 3,790.85 : x
  2. Step 2: Convert to fraction form
    7,953.03/11,927.12 = 3,790.85/x
  3. Step 3: Cross multiply
    7,953.03x = 11,927.12 × 3,790.85
  4. Step 4: Simplify right side
    7,953.03x = 45,213,844.26
  5. Step 5: Solve for x
    x = 45,213,844.26/7,953.03
  6. Step 6: Final answer
    x = 5,685.11

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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.