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Finding the Fourth Proportional to 14,944.17, 20,623.10 and 8,230.01

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Solution

The fourth proportional to 14,944.17, 20,623.10 and 8,230.01 is: 11,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,944.17 : 20,623.10 = 8,230.01 : x
  2. Step 2: Convert to fraction form
    14,944.17/20,623.10 = 8,230.01/x
  3. Step 3: Cross multiply
    14,944.17x = 20,623.10 × 8,230.01
  4. Step 4: Simplify right side
    14,944.17x = 169,728,236.69
  5. Step 5: Solve for x
    x = 169,728,236.69/14,944.17
  6. Step 6: Final answer
    x = 11,357.49

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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.