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Finding the Fourth Proportional to 18,462.24, 27,692.64 and 7,365.60

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Solution

The fourth proportional to 18,462.24, 27,692.64 and 7,365.60 is: 11,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.24 : 27,692.64 = 7,365.60 : x
  2. Step 2: Convert to fraction form
    18,462.24/27,692.64 = 7,365.60/x
  3. Step 3: Cross multiply
    18,462.24x = 27,692.64 × 7,365.60
  4. Step 4: Simplify right side
    18,462.24x = 203,972,909.18
  5. Step 5: Solve for x
    x = 203,972,909.18/18,462.24
  6. Step 6: Final answer
    x = 11,048.11

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1.5x scale

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.