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Finding the Fourth Proportional to 4,465.36, 6,692.28 and 3,943.36

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Solution

The fourth proportional to 4,465.36, 6,692.28 and 3,943.36 is: 5,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,465.36 : 6,692.28 = 3,943.36 : x
  2. Step 2: Convert to fraction form
    4,465.36/6,692.28 = 3,943.36/x
  3. Step 3: Cross multiply
    4,465.36x = 6,692.28 × 3,943.36
  4. Step 4: Simplify right side
    4,465.36x = 26,390,069.26
  5. Step 5: Solve for x
    x = 26,390,069.26/4,465.36
  6. Step 6: Final answer
    x = 5,909.95

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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.