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Finding the Fourth Proportional to 7,361.92, 11,044.80 and 4,458.88

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Solution

The fourth proportional to 7,361.92, 11,044.80 and 4,458.88 is: 6,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.92 : 11,044.80 = 4,458.88 : x
  2. Step 2: Convert to fraction form
    7,361.92/11,044.80 = 4,458.88/x
  3. Step 3: Cross multiply
    7,361.92x = 11,044.80 × 4,458.88
  4. Step 4: Simplify right side
    7,361.92x = 49,247,437.82
  5. Step 5: Solve for x
    x = 49,247,437.82/7,361.92
  6. Step 6: Final answer
    x = 6,689.48

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1.5x scale

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.