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Finding the Fourth Proportional to 14,499.97, 20,008.73 and 8,039.79

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Solution

The fourth proportional to 14,499.97, 20,008.73 and 8,039.79 is: 11,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.97 : 20,008.73 = 8,039.79 : x
  2. Step 2: Convert to fraction form
    14,499.97/20,008.73 = 8,039.79/x
  3. Step 3: Cross multiply
    14,499.97x = 20,008.73 × 8,039.79
  4. Step 4: Simplify right side
    14,499.97x = 160,866,007.47
  5. Step 5: Solve for x
    x = 160,866,007.47/14,499.97
  6. Step 6: Final answer
    x = 11,094.23

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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.