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Finding the Fourth Proportional to 14,232.59, 19,640.97 and 7,944.96

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Solution

The fourth proportional to 14,232.59, 19,640.97 and 7,944.96 is: 10,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232.59 : 19,640.97 = 7,944.96 : x
  2. Step 2: Convert to fraction form
    14,232.59/19,640.97 = 7,944.96/x
  3. Step 3: Cross multiply
    14,232.59x = 19,640.97 × 7,944.96
  4. Step 4: Simplify right side
    14,232.59x = 156,046,728.25
  5. Step 5: Solve for x
    x = 156,046,728.25/14,232.59
  6. Step 6: Final answer
    x = 10,964.05

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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.