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Finding the Fourth Proportional to 5,656.74, 8,484.72 and 2,692.97

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Solution

The fourth proportional to 5,656.74, 8,484.72 and 2,692.97 is: 4,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.74 : 8,484.72 = 2,692.97 : x
  2. Step 2: Convert to fraction form
    5,656.74/8,484.72 = 2,692.97/x
  3. Step 3: Cross multiply
    5,656.74x = 8,484.72 × 2,692.97
  4. Step 4: Simplify right side
    5,656.74x = 22,849,122.30
  5. Step 5: Solve for x
    x = 22,849,122.30/5,656.74
  6. Step 6: Final answer
    x = 4,039.28

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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.