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Finding the Fourth Proportional to 5,526, 7,611.09 and 4,779.99

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Solution

The fourth proportional to 5,526, 7,611.09 and 4,779.99 is: 6,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526 : 7,611.09 = 4,779.99 : x
  2. Step 2: Convert to fraction form
    5,526/7,611.09 = 4,779.99/x
  3. Step 3: Cross multiply
    5,526x = 7,611.09 × 4,779.99
  4. Step 4: Simplify right side
    5,526x = 36,380,934.09
  5. Step 5: Solve for x
    x = 36,380,934.09/5,526
  6. Step 6: Final answer
    x = 6,583.59

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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.