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Finding the Fourth Proportional to 7,320, 10,958.46 and 4,537.74

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Solution

The fourth proportional to 7,320, 10,958.46 and 4,537.74 is: 6,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320 : 10,958.46 = 4,537.74 : x
  2. Step 2: Convert to fraction form
    7,320/10,958.46 = 4,537.74/x
  3. Step 3: Cross multiply
    7,320x = 10,958.46 × 4,537.74
  4. Step 4: Simplify right side
    7,320x = 49,726,642.28
  5. Step 5: Solve for x
    x = 49,726,642.28/7,320
  6. Step 6: Final answer
    x = 6,793.26

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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.