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Finding the Fourth Proportional to 18,362.96, 27,530.64 and 9,000.08

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Solution

The fourth proportional to 18,362.96, 27,530.64 and 9,000.08 is: 13,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.96 : 27,530.64 = 9,000.08 : x
  2. Step 2: Convert to fraction form
    18,362.96/27,530.64 = 9,000.08/x
  3. Step 3: Cross multiply
    18,362.96x = 27,530.64 × 9,000.08
  4. Step 4: Simplify right side
    18,362.96x = 247,777,962.45
  5. Step 5: Solve for x
    x = 247,777,962.45/18,362.96
  6. Step 6: Final answer
    x = 13,493.36

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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.