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Finding the Fourth Proportional to 5,486.28, 7,566.04 and 4,692.57

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Solution

The fourth proportional to 5,486.28, 7,566.04 and 4,692.57 is: 6,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.28 : 7,566.04 = 4,692.57 : x
  2. Step 2: Convert to fraction form
    5,486.28/7,566.04 = 4,692.57/x
  3. Step 3: Cross multiply
    5,486.28x = 7,566.04 × 4,692.57
  4. Step 4: Simplify right side
    5,486.28x = 35,504,172.32
  5. Step 5: Solve for x
    x = 35,504,172.32/5,486.28
  6. Step 6: Final answer
    x = 6,471.45

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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.