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Finding the Fourth Proportional to 27,252.80, 40,857.60 and 14,940.80

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Solution

The fourth proportional to 27,252.80, 40,857.60 and 14,940.80 is: 22,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,252.80 : 40,857.60 = 14,940.80 : x
  2. Step 2: Convert to fraction form
    27,252.80/40,857.60 = 14,940.80/x
  3. Step 3: Cross multiply
    27,252.80x = 40,857.60 × 14,940.80
  4. Step 4: Simplify right side
    27,252.80x = 610,445,230.08
  5. Step 5: Solve for x
    x = 610,445,230.08/27,252.80
  6. Step 6: Final answer
    x = 22,399.36

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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.