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Finding the Fourth Proportional to 5,482.98, 8,220.81 and 3,018.96

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Solution

The fourth proportional to 5,482.98, 8,220.81 and 3,018.96 is: 4,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.98 : 8,220.81 = 3,018.96 : x
  2. Step 2: Convert to fraction form
    5,482.98/8,220.81 = 3,018.96/x
  3. Step 3: Cross multiply
    5,482.98x = 8,220.81 × 3,018.96
  4. Step 4: Simplify right side
    5,482.98x = 24,818,296.56
  5. Step 5: Solve for x
    x = 24,818,296.56/5,482.98
  6. Step 6: Final answer
    x = 4,526.42

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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.