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Finding the Fourth Proportional to 7,098.84, 9,802.56 and 4,450.80

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Solution

The fourth proportional to 7,098.84, 9,802.56 and 4,450.80 is: 6,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.84 : 9,802.56 = 4,450.80 : x
  2. Step 2: Convert to fraction form
    7,098.84/9,802.56 = 4,450.80/x
  3. Step 3: Cross multiply
    7,098.84x = 9,802.56 × 4,450.80
  4. Step 4: Simplify right side
    7,098.84x = 43,629,234.05
  5. Step 5: Solve for x
    x = 43,629,234.05/7,098.84
  6. Step 6: Final answer
    x = 6,145.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.