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Finding the Fourth Proportional to 3,148.04, 4,722.72 and 956.94

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Solution

The fourth proportional to 3,148.04, 4,722.72 and 956.94 is: 1,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.04 : 4,722.72 = 956.94 : x
  2. Step 2: Convert to fraction form
    3,148.04/4,722.72 = 956.94/x
  3. Step 3: Cross multiply
    3,148.04x = 4,722.72 × 956.94
  4. Step 4: Simplify right side
    3,148.04x = 4,519,359.68
  5. Step 5: Solve for x
    x = 4,519,359.68/3,148.04
  6. Step 6: Final answer
    x = 1,435.61

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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.