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Finding the Fourth Proportional to 14,892.56, 20,550.00 and 8,840.64

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Solution

The fourth proportional to 14,892.56, 20,550.00 and 8,840.64 is: 12,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.56 : 20,550.00 = 8,840.64 : x
  2. Step 2: Convert to fraction form
    14,892.56/20,550.00 = 8,840.64/x
  3. Step 3: Cross multiply
    14,892.56x = 20,550.00 × 8,840.64
  4. Step 4: Simplify right side
    14,892.56x = 181,675,262.21
  5. Step 5: Solve for x
    x = 181,675,262.21/14,892.56
  6. Step 6: Final answer
    x = 12,199.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.