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Finding the Fourth Proportional to 27,000.90, 40,404.15 and 18,252.90

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Solution

The fourth proportional to 27,000.90, 40,404.15 and 18,252.90 is: 27,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.90 : 40,404.15 = 18,252.90 : x
  2. Step 2: Convert to fraction form
    27,000.90/40,404.15 = 18,252.90/x
  3. Step 3: Cross multiply
    27,000.90x = 40,404.15 × 18,252.90
  4. Step 4: Simplify right side
    27,000.90x = 737,492,909.54
  5. Step 5: Solve for x
    x = 737,492,909.54/27,000.90
  6. Step 6: Final answer
    x = 27,313.64

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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.