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Finding the Fourth Proportional to 4,622.79, 6,932.82 and 1,335.91

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Solution

The fourth proportional to 4,622.79, 6,932.82 and 1,335.91 is: 2,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.79 : 6,932.82 = 1,335.91 : x
  2. Step 2: Convert to fraction form
    4,622.79/6,932.82 = 1,335.91/x
  3. Step 3: Cross multiply
    4,622.79x = 6,932.82 × 1,335.91
  4. Step 4: Simplify right side
    4,622.79x = 9,261,623.57
  5. Step 5: Solve for x
    x = 9,261,623.57/4,622.79
  6. Step 6: Final answer
    x = 2,003.47

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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.