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Finding the Fourth Proportional to 29,974.24, 45,000.24 and 19,632.16

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Solution

The fourth proportional to 29,974.24, 45,000.24 and 19,632.16 is: 29,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,974.24 : 45,000.24 = 19,632.16 : x
  2. Step 2: Convert to fraction form
    29,974.24/45,000.24 = 19,632.16/x
  3. Step 3: Cross multiply
    29,974.24x = 45,000.24 × 19,632.16
  4. Step 4: Simplify right side
    29,974.24x = 883,451,911.72
  5. Step 5: Solve for x
    x = 883,451,911.72/29,974.24
  6. Step 6: Final answer
    x = 29,473.71

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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.