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Finding the Fourth Proportional to 27,234.80, 40,830.60 and 14,922.80

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Solution

The fourth proportional to 27,234.80, 40,830.60 and 14,922.80 is: 22,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,234.80 : 40,830.60 = 14,922.80 : x
  2. Step 2: Convert to fraction form
    27,234.80/40,830.60 = 14,922.80/x
  3. Step 3: Cross multiply
    27,234.80x = 40,830.60 × 14,922.80
  4. Step 4: Simplify right side
    27,234.80x = 609,306,877.68
  5. Step 5: Solve for x
    x = 609,306,877.68/27,234.80
  6. Step 6: Final answer
    x = 22,372.36

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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.