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Finding the Fourth Proportional to 14,005.33, 20,986.10 and 8,800.27

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Solution

The fourth proportional to 14,005.33, 20,986.10 and 8,800.27 is: 13,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.33 : 20,986.10 = 8,800.27 : x
  2. Step 2: Convert to fraction form
    14,005.33/20,986.10 = 8,800.27/x
  3. Step 3: Cross multiply
    14,005.33x = 20,986.10 × 8,800.27
  4. Step 4: Simplify right side
    14,005.33x = 184,683,317.05
  5. Step 5: Solve for x
    x = 184,683,317.05/14,005.33
  6. Step 6: Final answer
    x = 13,186.64

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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.