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Finding the Fourth Proportional to 5,368.17, 8,055.09 and 2,770.50

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Solution

The fourth proportional to 5,368.17, 8,055.09 and 2,770.50 is: 4,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.17 : 8,055.09 = 2,770.50 : x
  2. Step 2: Convert to fraction form
    5,368.17/8,055.09 = 2,770.50/x
  3. Step 3: Cross multiply
    5,368.17x = 8,055.09 × 2,770.50
  4. Step 4: Simplify right side
    5,368.17x = 22,316,626.85
  5. Step 5: Solve for x
    x = 22,316,626.85/5,368.17
  6. Step 6: Final answer
    x = 4,157.21

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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.