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Finding the Fourth Proportional to 45,505.99, 68,289.74 and 15,924.08

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Solution

The fourth proportional to 45,505.99, 68,289.74 and 15,924.08 is: 23,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,505.99 : 68,289.74 = 15,924.08 : x
  2. Step 2: Convert to fraction form
    45,505.99/68,289.74 = 15,924.08/x
  3. Step 3: Cross multiply
    45,505.99x = 68,289.74 × 15,924.08
  4. Step 4: Simplify right side
    45,505.99x = 1,087,451,282.94
  5. Step 5: Solve for x
    x = 1,087,451,282.94/45,505.99
  6. Step 6: Final answer
    x = 23,896.88

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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.