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Finding the Fourth Proportional to 14,605.99, 20,157.73 and 8,944.43

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Solution

The fourth proportional to 14,605.99, 20,157.73 and 8,944.43 is: 12,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.99 : 20,157.73 = 8,944.43 : x
  2. Step 2: Convert to fraction form
    14,605.99/20,157.73 = 8,944.43/x
  3. Step 3: Cross multiply
    14,605.99x = 20,157.73 × 8,944.43
  4. Step 4: Simplify right side
    14,605.99x = 180,299,281.79
  5. Step 5: Solve for x
    x = 180,299,281.79/14,605.99
  6. Step 6: Final answer
    x = 12,344.20

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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.