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Finding the Fourth Proportional to 14,796.68, 20,412.54 and 8,824.76

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Solution

The fourth proportional to 14,796.68, 20,412.54 and 8,824.76 is: 12,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796.68 : 20,412.54 = 8,824.76 : x
  2. Step 2: Convert to fraction form
    14,796.68/20,412.54 = 8,824.76/x
  3. Step 3: Cross multiply
    14,796.68x = 20,412.54 × 8,824.76
  4. Step 4: Simplify right side
    14,796.68x = 180,135,766.49
  5. Step 5: Solve for x
    x = 180,135,766.49/14,796.68
  6. Step 6: Final answer
    x = 12,174.07

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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.