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Finding the Fourth Proportional to 4,822, 6,651.84 and 2,932.72

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Solution

The fourth proportional to 4,822, 6,651.84 and 2,932.72 is: 4,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822 : 6,651.84 = 2,932.72 : x
  2. Step 2: Convert to fraction form
    4,822/6,651.84 = 2,932.72/x
  3. Step 3: Cross multiply
    4,822x = 6,651.84 × 2,932.72
  4. Step 4: Simplify right side
    4,822x = 19,507,984.20
  5. Step 5: Solve for x
    x = 19,507,984.20/4,822
  6. Step 6: Final answer
    x = 4,045.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.