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Finding the Fourth Proportional to 4,992.17, 7,450.28 and 4,438.58

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Solution

The fourth proportional to 4,992.17, 7,450.28 and 4,438.58 is: 6,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.17 : 7,450.28 = 4,438.58 : x
  2. Step 2: Convert to fraction form
    4,992.17/7,450.28 = 4,438.58/x
  3. Step 3: Cross multiply
    4,992.17x = 7,450.28 × 4,438.58
  4. Step 4: Simplify right side
    4,992.17x = 33,068,604.36
  5. Step 5: Solve for x
    x = 33,068,604.36/4,992.17
  6. Step 6: Final answer
    x = 6,624.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.